Mời các bạn học sinh cùng tham khảo Đề kiểm tra 1 tiết HK2 môn Tiếng Anh 11 năm 2019-2020 - Trường THPT Hưng Nhân (Lần 3) sau đây để biết được cấu trúc đề thi cũng như những nội dung chính được đề cập trong đề thi để từ đó có kế hoạch học tập và ôn thi một cách hiệu quả hơn. Chúc các bạn ôn tập kiểm tra đạt kết quả cao!
'TRƯỜNG THPT HƯNG NHÂN ĐỀ THI KIỂM TRA LẦN Môn: Tiếng Anh 11 Thời gian làm bài: 45 phút; (40 câu trắc nghiệm) Mã đề thi 132 (Thí sinh không sử dụng tài liệu) Họ, tên học sinh: Lớp: I Choose one word whose underlined part is pronounced differently Câu 1: A population B commune C punctuality D stimulation Câu 2: A dissatisfaction B spacious C facsimile D telegram II Choose one word whose stress pattern is different Câu 3: A eradicate B expand C announce D satisfy Câu 4: A distribute B stimulate C subscribe D affect III Circle A, B, C or D as your best choice to complete each sentence Câu 5: The chemical from cars and factories make the air, water and soil dangerously dirty A pollute B pollution C polluted D pollutants Câu 6: Water power gives energy pollution A without B and C with D including Câu 7: The switch, -is on the back, is off A which B whose C that D where Câu 8: John was the last student the room A is leaving B to leave C left D leaving Câu 9: I know the man who there A to live B live C living D lives Câu 10: People -to smoke have to leave the building A wants B wanting C wanted D to be wanted Câu 11: The sun, water and the wind are other sources of energy A exhausted B reused C renewable D alternative Câu 12: I think China will be the next country the Olympic Games A will host B to host C host D hosted Câu 13: The town -we are living is noisy and crowed A at which B where C which D in which Câu 14: The teacher -house is next to mine died this morning A whose B which C who D whom Câu 15: The boy went to the hospital to ask for doctor’s help A who his sister is sick B whose sick sister C whose sister sicked D whose sister was sick Câu 16: The year we came to live here was 1975 A that B which C when D in the time Câu 17: - is a kind of energy formed from the remains of dead plants and animals A fossil fuel B solar energy C nuclear power D geothermal heat Câu 18: Many national parks are danger of being destroyed A by B in C at D of Câu 19: The speech _ we listened last night was informative A to which B that C which to D to that Câu 20: I'll be staying with Adrian, brother is one of my closest friends A which B whose C whom D that Câu 21: is a person who studies the natural relationships between the air, land , water , animals, and plant A An ecologist B A therapist C A teacher D A doctor Câu 22: ………….present, most of our energy comes from fossil fuels A at B in C during D on Circle A, B, C or D to find a mistake in the four underlined parts of each sentence Câu 23: The song to whom we listened last night was interesting A B C D Câu 24: What is the name of the man who car you borrowed? A B C D Câu 25: she is the woman about that I told you A B C D Mark the letter A, B, C, or D on your answer sheet to indicate the most suitable response to complete each of the following exchanges Câu 26: John: “What qualities you admire in your best friend?” - Peter: “ _ “ A I didn’t admire him B He is not my best friend C He is very humorous and helpful D I’m more humorous and helpful than he is Câu 27: The shop assistant: “Which hat you like best?” - The customer: “ _” A Yes, I like it best B The one I tried on first C Which one you like? D No, I haven’t tried any Mark the letter A, B, C, or D on your answer sheet to indicate the word or phrase that is CLOSEST in meaning to the underlined part in each of the following questions Câu 28: They read the questions quickly to find out the answer A compete B discover C offer D refuse Câu 29: Before Tet, the housewives a big clean to get rid of the dirt of the old year A take care B eradicate C decorate D welcome Câu 30: The singing competition was sponsored by Students’ Parents Society A supported B assisted C organized D held Read the following passage and mark the letter A, B, C, or D on your answer sheet to choose the word or phrase that best fits each of the numbered blanks From (31) _ times, people have celebrated the end of winter and the new life that spring brings One of the most important Christian festivals is Easter, when Christians remember the death and resurrection of Jesus Christ Easter, however, is not the only spring festival In Sweden, people celebrate the end of the winter by making huge bonfires Fire also plays an important part in the Hindu festival of Holy In some villages children are (32) _ round bonfires by their mothers to protect them (33) _ danger in the coming year Buddhists in Thailand soak each other in water when celebrating their New Year, which (34) _ in the middle of April In Antigua in Guatemala they carpet the streets with flowers Chinese spring parades are equally colorful, but (35) _ flowers, they have large dragon puppets which dance in the streets Câu 31: A earliest B latest C previous D old Câu 32: A gone B carried C brought D run Câu 33: A in B out of C against D from Câu 34: A happens B appears C falls D occurs Câu 35: A instead of B on behalf of C in spite of D place of Choose the item among A B C or D that best answer the questions about the passage: he search for alternative sources of energy has led in various directions Many communities are burning garbage and other biological waste products to produce electricity Converting waste products to gases or oil is also an efficient way to dispose [arrange] of wastes Experiment work is being done to derive [gain] synthetic [combining] fuels from coal, oil shale, and coal tars [nhựa] But to date, that process has proven expensive Other experimental are underway to harness [tận dụng] power with giant windmills Geothermal power, heat from the earth, is also T being tested Some experts expect utility companies to revive hydroelectric power derived from streams and rivers Fifty years ago hydroelectric power provided one third of the electricity used in the United States, but today it supplies only percent The oceans are another potential source of energy Scientists are studying ways to convert the energy of ocean, tides, and waves to electricity Experiments are also underway to make use of temperature differences in ocean water to produce energy Câu 36: Fifty years ago one third of the electricity in the United States was provided by: A water B wind C oil D waste products Câu 37: Which of the following is NOT mentioned in the passage as an alternative source of energy? A geothermal power B burning of garbage C synthetic fuels D electricity Câu 38: According to the author, the impracticability of using coal, oil shale and tars as sources of energy is due to: A their being time consuming B the scarcity C the lack of technology D their being money consuming Câu 39: What could best replace the phrase "Geothermal power" in the passage? A heat from the earth B hydroelectric power C giant windmills D synthetic fuels Câu 40: Which is the best title for the passage? A New Discoveries in Geothermal Power B The Use of Water Products for Energy C Efficient Ways of Disposing of Waste D The Search for Alternative Sources of Energy 'TRƯỜNG THPT HƯNG NHÂN ĐỀ THI KIỂM TRA LẦN Môn: Tiếng Anh 11 Thời gian làm bài: 45 phút; (40 câu trắc nghiệm) Mã đề thi 456 (Thí sinh khơng sử dụng tài liệu) Họ, tên học sinh: Lớp: Circle A, B, C or D to find a mistake in the four underlined parts of each sentence Câu 1: The song to whom we listened last night was interesting A B C D Câu 2: What is the name of the man who car you borrowed? A B C D Câu 3: she is the woman about that I told you A B C D Circle A, B, C or D as your best choice to complete each sentence Câu 4: ………….present, most of our energy comes from fossil fuels A at B in C during D on Câu 5: The chemical from cars and factories make the air, water and soil dangerously dirty A pollute B pollution C polluted D pollutants Câu 6: Water power gives energy pollution A without B and C with D including Câu 7: The switch, -is on the back, is off A which B whose C that D where Câu 8: John was the last student the room A is leaving B to leave C left D leaving Câu 9: I know the man who there A to live B live C living D lives Câu 10: People -to smoke have to leave the building A wants B wanting C wanted D to be wanted Câu 11: The sun, water and the wind are other sources of energy A exhausted B reused C renewable D alternative Câu 12: I think China will be the next country the Olympic Games A will host B to host C host D hosted Câu 13: The town -we are living is noisy and crowed A at which B where C which D in which Câu 14: The teacher -house is next to mine died this morning A whose B which C who D whom Câu 15: The boy went to the hospital to ask for doctor’s help A who his sister is sick B whose sick sister C whose sister sicked D whose sister was sick Câu 16: The year we came to live here was 1975 A that B which C when D in the time Câu 17: - is a kind of energy formed from the remains of dead plants and animals A fossil fuel B solar energy C nuclear power D geothermal heat Câu 18: Many national parks are danger of being destroyed A by B in C at D of Câu 19: The speech _ we listened last night was informative A to which B that C which to D to that Câu 20: I'll be staying with Adrian, brother is one of my closest friends A which B whose C whom D that Câu 21: is a person who studies the natural relationships between the air, land , water , animals, and plant A An ecologist B A therapist C A teacher D A doctor Mark the letter A, B, C, or D on your answer sheet to indicate the most suitable response to complete each of the following exchanges Câu 22: John: “What qualities you admire in your best friend?” - Peter: “ _ “ A I didn’t admire him B He is not my best friend C He is very humorous and helpful D I’m more humorous and helpful than he is Câu 23: The shop assistant: “Which hat you like best?” - The customer: “ _” A Yes, I like it best B The one I tried on first C Which one you like? D No, I haven’t tried any I Choose one word whose underlined part is pronounced differently Câu 24: A population B commune C punctuality D stimulation Câu 25: A dissatisfaction B spacious C facsimile D telegram II Choose one word whose stress pattern is different Câu 26: A eradicate B expand C announce D satisfy Câu 27: A distribute B stimulate C subscribe D affect Choose the item among A B C or D that best answer the questions about the passage: he search for alternative sources of energy has led in various directions Many communities are burning garbage and other biological waste products to produce electricity Converting waste products to gases or oil is also an efficient way to dispose [arrange] of wastes Experiment work is being done to derive [gain] synthetic [combining] fuels from coal, oil shale, and coal tars [nhựa] But to date, that process has proven expensive Other experimental are underway to harness [tận dụng] power with giant windmills Geothermal power, heat from the earth, is also being tested Some experts expect utility companies to revive hydroelectric power derived from streams and rivers Fifty years ago hydroelectric power provided one third of the electricity used in the United States, but today it supplies only percent The oceans are another potential source of energy Scientists are studying ways to convert the energy of ocean, tides, and waves to electricity Experiments are also underway to make use of temperature differences in ocean water to produce energy T Câu 28: Fifty years ago one third of the electricity in the United States was provided by: A water B wind C oil D waste products Câu 29: Which of the following is NOT mentioned in the passage as an alternative source of energy? A geothermal power B burning of garbage C synthetic fuels D electricity Câu 30: According to the author, the impracticability of using coal, oil shale and tars as sources of energy is due to: A their being time consuming B the scarcity C the lack of technology D their being money consuming Câu 31: What could best replace the phrase "Geothermal power" in the passage? A heat from the earth B hydroelectric power C giant windmills D synthetic fuels Câu 32: Which is the best title for the passage? A New Discoveries in Geothermal Power B The Use of Water Products for Energy C Efficient Ways of Disposing of Waste D The Search for Alternative Sources of Energy Mark the letter A, B, C, or D on your answer sheet to indicate the word or phrase that is CLOSEST in meaning to the underlined part in each of the following questions Câu 33: They read the questions quickly to find out the answer A compete B discover C offer D refuse Câu 34: Before Tet, the housewives a big clean to get rid of the dirt of the old year A take care B eradicate C decorate D welcome Câu 35: The singing competition was sponsored by Students’ Parents Society A supported B assisted C organized D held Read the following passage and mark the letter A, B, C, or D on your answer sheet to choose the word or phrase that best fits each of the numbered blanks From (36) _ times, people have celebrated the end of winter and the new life that spring brings One of the most important Christian festivals is Easter, when Christians remember the death and resurrection of Jesus Christ Easter, however, is not the only spring festival In Sweden, people celebrate the end of the winter by making huge bonfires Fire also plays an important part in the Hindu festival of Holy In some villages children are (37) _ round bonfires by their mothers to protect them (38) _ danger in the coming year Buddhists in Thailand soak each other in water when celebrating their New Year, which (39) _ in the middle of April In Antigua in Guatemala they carpet the streets with flowers Chinese spring parades are equally colorful, but (40) _ flowers, they have large dragon puppets which dance in the streets Câu 36: A earliest B latest C previous D old Câu 37: A gone B carried C brought D run Câu 38: A in B out of C against D from Câu 39: A happens B appears C falls D occurs Câu 40: A instead of B on behalf of C in spite of D place of TRƯỜNG THPT HƯNG NHÂN ĐỀ THI KIỂM TRA LẦN Môn: Tiếng Anh 11 Thời gian làm bài: 45 phút; (40 câu trắc nghiệm) Mã đề thi 209 (Thí sinh khơng sử dụng tài liệu) Họ, tên học sinh: Lớp: Choose one word whose stress pattern is different Câu 1: A eradicate B expand C announce D satisfy Câu 2: A distribute B stimulate C subscribe D affect Circle A, B, C or D as your best choice to complete each sentence Câu 3: The year we came to live here was 1975 A that B which C when D in the time Câu 4: - is a kind of energy formed from the remains of dead plants and animals A fossil fuel B solar energy C nuclear power D geothermal heat Câu 5: Many national parks are danger of being destroyed A by B in C at D of Câu 6: The speech _ we listened last night was informative A to which B that C which to D to that Câu 7: I'll be staying with Adrian, brother is one of my closest friends A which B whose C whom D that Câu 8: is a person who studies the natural relationships between the air, land , water , animals, and plant A An ecologist B A therapist C A teacher D A doctor Câu 9: ………….present, most of our energy comes from fossil fuels A at B in C during D on Câu 10: The chemical from cars and factories make the air, water and soil dangerously dirty A pollute B pollution C polluted Câu 11: Water power gives energy pollution A without B and C with Câu 12: The switch, -is on the back, is off A which B whose C that Câu 13: John was the last student the room A is leaving B to leave C left Câu 14: I know the man who there A to live B live C living Câu 15: People -to smoke have to leave the building A wants B wanting C wanted Câu 16: The sun, water and the wind are other sources of energy A exhausted B reused C renewable Câu 17: I think China will be the next country the Olympic Games A will host B to host C host Câu 18: The town -we are living is noisy and crowed A at which B where C which Câu 19: The teacher -house is next to mine died this morning D pollutants D including D where D leaving D lives D to be wanted D alternative D hosted D in which A whose B which C who D whom Câu 20: The boy went to the hospital to ask for doctor’s help A who his sister is sick B whose sick sister C whose sister sicked D whose sister was sick Choose the item among A B C or D that best answer the questions about the passage: he search for alternative sources of energy has led in various directions Many communities are burning garbage and other biological waste products to produce electricity Converting waste products to gases or oil is also an efficient way to dispose [arrange] of wastes Experiment work is being done to derive [gain] synthetic [combining] fuels from coal, oil shale, and coal tars [nhựa] But to date, that process has proven expensive Other experimental are underway to harness [tận dụng] power with giant windmills Geothermal power, heat from the earth, is also being tested Some experts expect utility companies to revive hydroelectric power derived from streams and rivers Fifty years ago hydroelectric power provided one third of the electricity used in the United States, but today it supplies only percent The oceans are another potential source of energy Scientists are studying ways to convert the energy of ocean, tides, and waves to electricity Experiments are also underway to make use of temperature differences in ocean water to produce energy T Câu 21: Fifty years ago one third of the electricity in the United States was provided by: A water B wind C oil D waste products Câu 22: Which of the following is NOT mentioned in the passage as an alternative source of energy? A geothermal power B burning of garbage C synthetic fuels D electricity Câu 23: According to the author, the impracticability of using coal, oil shale and tars as sources of energy is due to: A their being time consuming B the scarcity C the lack of technology D their being money consuming Câu 24: What could best replace the phrase "Geothermal power" in the passage? A heat from the earth B hydroelectric power C giant windmills D synthetic fuels Câu 25: Which is the best title for the passage? A New Discoveries in Geothermal Power B The Use of Water Products for Energy C Efficient Ways of Disposing of Waste D The Search for Alternative Sources of Energy Circle A, B, C or D to find a mistake in the four underlined parts of each sentence Câu 26: The song to whom we listened last night was interesting A B C D Câu 27: What is the name of the man who car you borrowed? A B C D Câu 28: she is the woman about that I told you A B C D Mark the letter A, B, C, or D on your answer sheet to indicate the most suitable response to complete each of the following exchanges Câu 29: John: “What qualities you admire in your best friend?” - Peter: “ _ “ A I didn’t admire him B He is not my best friend C He is very humorous and helpful D I’m more humorous and helpful than he is Câu 30: The shop assistant: “Which hat you like best?” - The customer: “ _” A Yes, I like it best B The one I tried on first C Which one you like? D No, I haven’t tried any Read the following passage and mark the letter A, B, C, or D on your answer sheet to choose the word or phrase that best fits each of the numbered blanks From (31) _ times, people have celebrated the end of winter and the new life that spring brings One of the most important Christian festivals is Easter, when Christians remember the death and resurrection of Jesus Christ Easter, however, is not the only spring festival In Sweden, people celebrate the end of the winter by making huge bonfires Fire also plays an important part in the Hindu festival of Holy In some villages children are (32) _ round bonfires by their mothers to protect them (33) _ danger in the coming year Buddhists in Thailand soak each other in water when celebrating their New Year, which (34) _ in the middle of April In Antigua in Guatemala they carpet the streets with flowers Chinese spring parades are equally colorful, but (35) _ flowers, they have large dragon puppets which dance in the streets Câu 31: A earliest B latest C previous D old Câu 32: A gone B carried C brought D run Câu 33: A in B out of C against D from Câu 34: A happens B appears C falls D occurs Câu 35: A instead of B on behalf of C in spite of D place of Choose one word whose underlined part is pronounced differently Câu 36: A population B commune C punctuality D stimulation Câu 37: A dissatisfaction B spacious C facsimile D telegram Mark the letter A, B, C, or D on your answer sheet to indicate the word or phrase that is CLOSEST in meaning to the underlined part in each of the following questions Câu 38: They read the questions quickly to find out the answer A compete B discover C offer D refuse Câu 39: Before Tet, the housewives a big clean to get rid of the dirt of the old year A take care B eradicate C decorate D welcome Câu 40: The singing competition was sponsored by Students’ Parents Society A supported B assisted C organized D held TRƯỜNG THPT HƯNG NHÂN ĐỀ THI KIỂM TRA LẦN Môn: Tiếng Anh 11 Thời gian làm bài: 45 phút; (40 câu trắc nghiệm) Mã đề thi 621 (Thí sinh khơng sử dụng tài liệu) Họ, tên học sinh: Lớp: Choose one word whose underlined part is pronounced differently Câu 1: A population B commune C punctuality D stimulation Câu 2: A dissatisfaction B spacious C facsimile D telegram Choose one word whose stress pattern is different Câu 3: A eradicate B expand C announce D satisfy Câu 4: A distribute B stimulate C subscribe D affect Circle A, B, C or D to find a mistake in the four underlined parts of each sentence Câu 5: The song to whom we listened last night was interesting A B C D Câu 6: What is the name of the man who car you borrowed? A B C D Câu 7: she is the woman about that I told you A B C D Mark the letter A, B, C, or D on your answer sheet to indicate the most suitable response to complete each of the following exchanges Câu 8: John: “What qualities you admire in your best friend?” - Peter: “ _ “ A I didn’t admire him B He is not my best friend C He is very humorous and helpful D I’m more humorous and helpful than he is Câu 9: The shop assistant: “Which hat you like best?” - The customer: “ _” A Yes, I like it best B The one I tried on first C Which one you like? D No, I haven’t tried any Mark the letter A, B, C, or D on your answer sheet to indicate the word or phrase that is CLOSEST in meaning to the underlined part in each of the following questions Câu 10: They read the questions quickly to find out the answer A compete B discover C offer D refuse Câu 11: Before Tet, the housewives a big clean to get rid of the dirt of the old year A take care B eradicate C decorate D welcome Câu 12: The singing competition was sponsored by Students’ Parents Society A supported B assisted C organized D held Read the following passage and mark the letter A, B, C, or D on your answer sheet to choose the word or phrase that best fits each of the numbered blanks From (13) _ times, people have celebrated the end of winter and the new life that spring brings One of the most important Christian festivals is Easter, when Christians remember the death and resurrection of Jesus Christ Easter, however, is not the only spring festival In Sweden, people celebrate the end of the winter by making huge bonfires Fire also plays an important part in the Hindu festival of Holy In some villages children are (14) _ round bonfires by their mothers to protect them (15) _ danger in the coming year Buddhists in Thailand soak each other in water when celebrating their New Year, which (16) _ in the middle of April In Antigua in Guatemala they carpet the streets with flowers Chinese spring parades are equally colorful, but (17) _ flowers, they have large dragon puppets which dance in the streets Câu 13: A earliest B latest C previous D old Câu 14: A gone B carried C brought D run Câu 15: A in B out of C against D from Câu 16: A happens B appears C falls D occurs Câu 17: A instead of B on behalf of C in spite of D place of Choose the item among A B C or D that best answer the questions about the passage: he search for alternative sources of energy has led in various directions Many communities are burning garbage and other biological waste products to produce electricity Converting waste products to gases or oil is also an efficient way to dispose [arrange] of wastes Experiment work is being done to derive [gain] synthetic [combining] fuels from coal, oil shale, and coal tars [nhựa] But to date, that process has proven expensive Other experimental are underway to harness [tận dụng] power with giant windmills Geothermal power, heat from the earth, is also being tested Some experts expect utility companies to revive hydroelectric power derived from streams and rivers Fifty years ago hydroelectric power provided one third of the electricity used in the United States, but today it supplies only percent The oceans are another potential source of energy Scientists are studying ways to convert the energy of ocean, tides, and waves to electricity Experiments are also underway to make use of temperature differences in ocean water to produce energy T Câu 18: Fifty years ago one third of the electricity in the United States was provided by: A water B wind C oil D waste products Câu 19: Which of the following is NOT mentioned in the passage as an alternative source of energy? A geothermal power B burning of garbage C synthetic fuels D electricity Câu 20: According to the author, the impracticability of using coal, oil shale and tars as sources of energy is due to: A their being time consuming B the scarcity C the lack of technology D their being money consuming Câu 21: What could best replace the phrase "Geothermal power" in the passage? A heat from the earth B hydroelectric power C giant windmills D synthetic fuels Câu 22: Which is the best title for the passage? A New Discoveries in Geothermal Power B The Use of Water Products for Energy C Efficient Ways of Disposing of Waste D The Search for Alternative Sources of Energy Circle A, B, C or D as your best choice to complete each sentence Câu 23: The chemical from cars and factories make the air, water and soil dangerously dirty A pollute B pollution C polluted Câu 24: Water power gives energy pollution A without B and C with Câu 25: The switch, -is on the back, is off A which B whose C that Câu 26: John was the last student the room A is leaving B to leave C left Câu 27: I know the man who there A to live B live C living Câu 28: People -to smoke have to leave the building A wants B wanting C wanted Câu 29: The sun, water and the wind are other sources of energy A exhausted B reused C renewable Câu 30: I think China will be the next country the Olympic Games A will host B to host C host D pollutants D including D where D leaving D lives D to be wanted D alternative D hosted Câu 31: The town -we are living is noisy and crowed A at which B where C which D in which Câu 32: The teacher -house is next to mine died this morning A whose B which C who D whom Câu 33: The boy went to the hospital to ask for doctor’s help A who his sister is sick B whose sick sister C whose sister sicked D whose sister was sick Câu 34: The year we came to live here was 1975 A that B which C when D in the time Câu 35: - is a kind of energy formed from the remains of dead plants and animals A fossil fuel B solar energy C nuclear power D geothermal heat Câu 36: Many national parks are danger of being destroyed A by B in C at D of Câu 37: The speech _ we listened last night was informative A to which B that C which to D to that Câu 38: I'll be staying with Adrian, brother is one of my closest friends A which B whose C whom D that Câu 39: is a person who studies the natural relationships between the air, land , water , animals, and plant A An ecologist B A therapist C A teacher D A doctor Câu 40: ………….present, most of our energy comes from fossil fuels A at B in C during D on ... supported B assisted C organized D held TRƯỜNG THPT HƯNG NHÂN ĐỀ THI KIỂM TRA LẦN Môn: Tiếng Anh 11 Thời gian làm bài: 45 phút; (40 câu trắc nghiệm) Mã đề thi 6 21 (Thí sinh khơng sử dụng tài liệu)... B on behalf of C in spite of D place of TRƯỜNG THPT HƯNG NHÂN ĐỀ THI KIỂM TRA LẦN Môn: Tiếng Anh 11 Thời gian làm bài: 45 phút; (40 câu trắc nghiệm) Mã đề thi 209 (Thí sinh khơng sử dụng tài liệu)... Search for Alternative Sources of Energy 'TRƯỜNG THPT HƯNG NHÂN ĐỀ THI KIỂM TRA LẦN Môn: Tiếng Anh 11 Thời gian làm bài: 45 phút; (40 câu trắc nghiệm) Mã đề thi 456 (Thí sinh khơng sử dụng tài liệu)