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KIỂM TRA 1 TIẾT Mơn: Tốn MA TRẬN HAI CHIỀU Mức độ Nội dung Nhận biết Thơng hiểu Vận dụng TNK Q TL TNKQ TL TNK Q TL Phân thức đại số Rút gọn phân thức Quy đồng mẫu thức nhiều PT Cộng, trừ, nhân, chia phân thức Biến đổi các BT hữu tỉ.GT của PT Tổng ĐỀ BÀI I. Trắc nghiệm khách quan. Câu 1 (1đ):Hoµn thµnh quy t¾c sau: Rót gän ph©n thøc. + Ph©n tÝch tư vµ mÉu .råi t×m……… ……… + Chia c¶ .cho ……… ……… * Khoanh trßn vµo ch÷ c¸i ®øng tríc c©u tr¶ lêi ®óng Câu 2(0,5đ): Mẫu thức chung của hai phân thức 62 5 + x và )3)(3( 3 +− xx là : A. (x-3)(x+3) B. x(x-3) C. 2(x-3)(x+3) D. 2(x-3) Câu 3(0,5đ): Tổng hai phân thức − − − x +1 2x 1 và x 1 x 1 bằng phân thức nào sau đây: A. − x +1 x 1 B. − − 2x 1 x 1 C. − 3x + 2 x 1 D. − 3x x 1 Câu 4(0.5đ): Phân thức đối của PT 7 4 2 x xy − là: A. 7 4 2 x xy + B. 7 4 2 x xy + − C. 7 4 2 x xy − + D. 2 7 4 xy x + Câu 5(0,5đ): Điều kiện để phân thức xx x + + 2 1 được xác đònh là : A. x≠0 B. x≠-1 C. x≠0 và x≠ -1 D. x≠0 va ø x ≠ 1 II. Tự luận. Câu 1(2đ): Rót gän c¸c ph©n thøc sau: a, 2 2 2 x xy y x − − b, 2 2 2 2 2 x y x xy y − − + Câu 2(2đ): Thực hiện các phép tính sau: a, )7(5 22 )7(5 136 − + − − − xx x xx x b, 2 2 x 2 2x 3x 3 4x x 7 x 1 x 1 x x x   + + + + − × +  ÷ + − −   Cââu3(3 đ) : Cho phân thức Cho phân thức A = 3 2 x 2x 4x 1 x 1 − + − − a,Tìm điều kiện của x để giá trị của phân thức được xác định. b, Tính giá trị của phân thức A tại x = 1 và x = 2. c, Tìm giá trị ngun của x để phân thức có giá trị là sớ ngun. ĐÁP ÁN VÀ THANG ĐIỂM I Trắc nghiệm khách quan: Câu 1: + . thành nhân tử nhân tử chung. (0,5đ) + tử và mẫu nhân tử chung (0,5đ) Câu 2: C (0,5đ) Câu 3: D (0,5đ) Câu4: B (0,5đ) Câu 5: C (0,5đ) II. Tự luận Câu 1: a, 2 2 2 ( ) ( )( ) x xy x x y y x y x y x − − = − − + ( ) ( )( ) x y x x y x y x y x − − − = = − + + (1đ) b, 2 2 2 2 2 2( ) 2 2 ( ) x y x y x xy y x y x y − − = = − + − − (1đ) Câu 2: a, )7(5 )7(5 )7(5 355 )7(5 22136 )7(5 22 )7(5 136 − − = − − = − −−− = − + − − − xx x xx x xx xx xx x xx x (1đ) b, 2 2 x 2 2x 3x 3 4x x 7 x 1 x 1 x x x   + + + + − × +  ÷ + − −   = 2 2 (x +2)(x 1) 2x(x +1) 3(x 1) 4x x 7 (x +1)(x 1) x x x − − + + + × + − − (0,25) = 2 2 2 2 x +x 2 2x 2x 3(x 1) 4x x 7 (x +1)(x 1) x x x − − − + + + × + − − (0,25) = 2 2 x x 2 3 4x x 7 (x 1) x x(x 1) − − − + + × + − − = 2 2 3x 3x 6 4x x 7 x(x 1) x(x 1) − − − + + + − − (0,5) = 2 2 3x 3x 6 4x x 7 x(x 1) − − − + + + − = 2 x 2x 1 x(x 1) − + − = 2 (x 1) x(x 1) − − = x 1 x − (0.25) Câu 3 a, Giá trị của phân thức A được xác định khi: x – 1 ≠ 0 ⇔ x ≠ 1 (1đ) b, Với x = 1 không thỏa mãn điều kiện của biến nên giá trị của phân thức A không xác định. (0.5đ) Với x = 2 thỏa mãn điều kiện của biến nên ta có A = 12 12.42.22 23 − −+− = 7. (0,5đ) b, A = 3 2 x 2x 4x 1 x 1 − + − − = x 2 – x + 3 + 2 x 1− . (0,25đ) Với x ∈ Z thì x 2 –x + 3 ∈ Z ⇒ A ∈ Z ⇔ 2 x 1− ∈ Z (0,25 đ) ⇔ x – 1 ∈ Ư(2) ⇔ x – 1 ∈ { } 1; 2± ± (0,25đ) ⇔ x 1 1 x 0(TMÐK) x 1 1 x 2(TMÐK) x 1 2 x 1(TMÐK) x 1 2 x 3(TMÐK) − =− =     − = =   ⇔   − =− =−     − = =   (0,25đ) Với x ∈ { } 1;0;2;3− thì giá trị của A ∈ Z Name: Class 8a Week 13 - Period 38 Date of testing: THE SECOND 45 MINUTES TEST ( 1ST SEMESTER- ENGLISH 8) Mark Teacher’s Remark I.Pick out the word whose underlined is pronounced differently from others(0,5 pt) A teach B reach C meat D great A come B love C word D tongue A habit B hour C honest D honour A closed B missed C pleased D raised A compare B face C.decade D conclude II Choose the words or phrases that are not correct in Standard English (1,5ps) Can you help me moving this table? A B C D I don’t enjoy to go on vacation as much as I used to A B C D It was kind to you to take me to the station A B C D The hospital is trying to raise funds on cancer patients A B C D 5.He used to lives on a farm with his uncle A B C D 6.Folktales are tradition stories that grandparents often tell children A B C D III Supply the correct form of verb (1,5ps) Stop (argue) and start (work) I prefer ( walk) to (ride) Don’t forget (do) homework before you go to bed Nothing can make me ( change) my mind 5.He learned how (use) a computer 6.Have you finished (clean ) the kitchen ? ……………… 2……………… 3…… IV Read the passage then choose the best answer: (2pts) A good memory is a great help in learning a language Everyone learns his own language by remembering what he hears when he is still a small child and some children like boys and girls who live abroad with their parents seem to learn a second language because pupils have so little time for it , and they are busy with other subjects as well The best way for most of us to remember things is to join them in our mind with something which we know already ,or which we easily remember because we have a picture of it in our mind That is why it is better to learn words in sentences ,not by themselves ,or to see , or do, or feel what the word means when we first use it What is a great help in learning a language ? Why isn’t it easy for pupils to learn a second language at school? What is the best way for us to remember things? Is it better to learn words by themselves? V Listen and fill in the gap: (2pts) Children of our land (1) _ Children of the (5) _hold hands Let’s sing for peace Let’s show our love from (6) _to Let’s sing for (2) _ place Let’s sing for the love between (3) _ Let’s (7) _out loud, and South, Let’s make a (8) _ Oh, children (4) _our land, unite Oh, children of the world hold hands 1…………… 5…………… 2……………… 6…………… 3……………… 7…………… 4…………… 8……………… VI Rewrite the sentences so that the meaning of the sentences unchanged: (2,5ps) You don’t need to set off early => It isn’t…………………………………………………………… “ You shouldn’t stay up too late” => Mom said………………………………………………………… Mrs Baker wants to plant roses in the garden => Mrs Baker enjoys……………………………………………… He does morning exercises regularly so that he can improve his health => He does morning exercises regularly in order ………………………………… 5.”Don’t make too much noise, children” => He asked Trường THCS Núi Đèo BÀI KIỂM TRA 45 PHÚT SỐ Môn Tiếng Anh (Tuần 13 –Tiết 38 Năm học 2013-2014) *Nội dung kiểm tra: I.Pick out the word whose underlined is pronounced differently from others(0,5 pt) A teach B reach C meat D great A come B love C word D tongue A habit B hour C honest D honour A closed B missed C pleased D raised A compare B face C.decade D conclude II Choose the words or phrases that are not correct in Standard English (1,5ps) Can you help me moving this table? A B C D I don’t enjoy to go on vacation as much as I used to A B C D It was kind to you to take me to the station A B C D The hospital is trying to raise funds on cancer patients A B C D 5.He used to lives on a farm with his uncle A B C D 6.Folktales are tradition stories that grandparents often tell children A B C D III Supply the correct form of verb (1,5ps) Stop (argue) and start (work) I prefer ( walk) to (ride) Don’t forget (do) homework before you go to bed Nothing can make me ( change) my mind 5.He learned how (use) a computer 6.Have you finished (clean ) the kitchen ? ……………… 2……………… 3…… IV Read the passage then choose the best answer: (2pts) A good memory is a great help in learning a language Everyone learns his own language by remembering what he hears when he is still a small child and some children like boys and girls who live abroad with their parents seem to learn a second language because pupils have so little time for it , and they are busy with other subjects as well The best way for most of us to remember things is to join them in our mind with something which we know already ,or which we easily remember because we have a picture of it in our mind That is why it is better to learn words in sentences ,not by themselves ,or to see , or do, or feel what the word means when we first use it 1.What is a great help in learning a language ? 2.Why isn’t it easy for pupils to learn a second language ... Họ và tên: Lớp: Bài kiểm tra số 3 lớp 12 Thời gian làm bài : 40 phút Câu1. Để phủ một lớp Ag trên một vật bằng đồng có khối lợng là 8,48 gam, ngời ta ngâm vật đó trong dd AgNO 3 . Sau một thời gian lấy vật ra khỏi dd làm khô và cân đợc 10 gam, khối lợng của Ag đã phủ trên bề mặt của vật là: A. 1,16 gam B. 2,16 gam C. 1,52 gam D. 2,52 gam Câu2. Hỗn hợp X gồm (5,6 g Fe, 20,7 g Pb, 2 gam Ag) . Cho X vào dd đồng nitrat đến khi phản ứng kết thúc, thấy khối lợng kim loại thu đợc giảm 2,06 gam so với ban đầu. Khối lợng của Pb còn lại là: A. 15,56g B. 15,525g C.16,56g D. 14,49g Câu3. Chia 13,6g hỗn hợp X gồm Mg và Fe thành 2 phần bằng nhau. Phần 1 cho tác dụng với dd HCl d thu đợc a gam muối khan, phần 2 cho tác dụng với khí clo d đợc b gam muối khan. Biết b-a = 3,55 g .khối lợng của Fe có trong hỗn hợp ban đầu là: A. 5,6 gam B. 11,2 gam C. 8,4 gam D. 6,72 gam Câu4. Trong số các kim loại sau: Mg, Na, Fe, Cu, Zn, Ag, Pb. Số kim loại khử đợc ion Fe 3+ có trong dung dịch muối là: A.3 B.4 C.5 D. 6 Câu5. Nhúng một thanh Fe vào dd CuSO 4 sau một thời gian lấy thanh sắt ra thấy khối lợng của nó đã tăng lên 4 gam so với ban đầu.Khối lợng đồng đã tạo ra là: A. 32 gam B. 16 gam C. 18 gam D. 28 gam Câu6. Ngâm một lá Zn có khối lợng x gam trong 400 ml dd AgNO 3 0,025M, sau khi phản ứng kết thúc thu đợc 2 gam kim loại , tính x. A. 1,425g B. 1,254g C. 1,246g D. 1,245g Câu7. Ngâm một lá Zn vào dd có chứa 1,28 gam ion M 2+ , sau khi M 2+ phản ứng hết , lấy lá Zn ra và cân lại thì thấy khối lợng giảm 0,02 gam( kim loại tạo ra bám hết vào thanh Zn), M là A.Ni B.Fe C. Pb D. Cu Câu8. Nhỏ vài giọt dd AgNO 3 lên thanh Cu , sau 2 phút thì ngâm thanh Cu đó vào dd H 2 SO 4 loãng và để trông không khí , hiện tợng gì xảy ra sau đó? A. không có hiện tợng gì xảy ra B. Cu bị tan do ăn mòn điện hoá C. Cu bị oxi hoá bởi H + D. Cu bị oxi hoá bởi O 2 và là ăn mòn hoá học Câu9. Cho 1,36 gam hỗn hợp gồm Fe và Mg , trong đó số mol của Fe gấp đôi số mol của Mg vào 500 ml dd CuSO 4 x M, sau khi phản ứng kết thúc thu đợc 1,88 gam kim loại. Tính x A. 0,08 B. 0,05 C. 0,1 D. 0,12 Câu10. Nhúng một thanh nhôm nặng 50 gam vào 400 ml dd CuCl 2 0,5M, sau một thời gian thu đợc 51,38 gam kim loại . Khối lợng Cu tạo ra là: A. 0,81g B. 1,62g C. 1,92g D. 2,12g Câu11. Cho hỗn hợp gồm Ag, Zn, Al, Mg, Cu, Fe vào dd Fe(NO 3 ) 3 d, sau phản ứng số kim loại thu đợc là: A.1 B. 2 C. 3 D. 4 Câu12 . Cho x gam hỗn hợp Fe, Mg, Al vào 250 ml dd Ychứa hỗn hợp HCl 1M và H 2 SO 4 0,5M thu đợc 5,32 lit H 2 (đktc) và 250 ml dd Z, pH của dd Z là: A. 1 B.2 C.6 D.8 Câu13. Hoà tan hoàn toàn 2,81 gam hỗn hợp Fe 2 O 3 , MgO, ZnO trong 500 ml dd H 2 SO 4 0,1 M (vừa đủ)sau phản ứng thu đợc bao nhiêu gam muối khan A.6,81g B. 4,81g C.3,81g D.5,81g Câu14. Cho 5 kim loại Na, Mg, Al, Fe, Cu và 4 dd : AgNO 3 , CuCl 2 , HgCl 2, , FeCl 3 có bao nhiêu kim loại khử đợc cả 4 cation kim loại có trong các dd đó A.2 B. 3 C. 4 D. 5 Câu15 . Ngâm 1 thanh Zn vào dd HCl, thanh kẽm sẽ tan nhanh hơn nếu ta nhỏ thêm vào đó vài giọt dd nào sau đây: A. NaHCO 3 B. AlCl 3 C. AgNO 3 D. CuSO 4 Câu16. Cho một thanh kim loại M vào dd CuCl 2 sau một thời gian thấy khối lợng thanh kim loại tăng lên. M là kim loại nào sau đây A. Ag B. Zn C. Pb D. Fe Câu17. Trong phòng thí nghiệm để điều chế H 2 từ Zn và HCl ta nên dùng trờng hợp nào sau đây: A. Zn nguyên chất và dd HCl đặc. B. Zn lẫn tạp chất là các kim loại khác và dd HCl đặc. C. Zn nguyên chất và dd HCl loãng. D. Zn lẫn tạp chất là các kim loại khác và dd HCl loãng. Câu18. Cho một thanh đồng nguyên chất vào dd AgNO 3 , đồng bị tan là do: A. ăn mòn BỘ GIÁO DỤC VÀ ĐÀO TẠO THPT A LUOI Họ, tên thí sinh: . Lớp: . ONE-PERIOD TEST Thời gian làm bài: 45 phút; Mã đề thi 130 Câu 1: Find the mistakes (A,B,C or D) in the four underlined parts of each sentence My parents (A) plans (B) to celebrate (C) their 20th wedding anniversary next week (D). Câu 2: The man wanted to avoid on security cameras. A. to see B. seeing C. to be seen D. being seen Câu 3: I saw the cat _______ through the window A. jump B. jumping C. jumped D. to jump Câu 4: When I got to the airport, the plane ____________ taken off. A. has B. have C. having D. had Câu 5: What ____________between 9:00 and 10:00 yesterday evening. A. did you do B. were you doing C. do you do D. had you done Câu 6: The boy glanced at me and turned away A. looked carefully B. looked suspiciously C. look attentively D. looked quickly Câu 7: John ________ his first piece of music when he was ten years old. A. was writing B. writes C. written D. wrote Câu 8: Choose the words whose has the stress differently from the others. A. memorable B. experience C. embarrassing D. appreciate Câu 9: Tom played the computer games ________________________ A. before he was doing the homework B. while he did the homework C. by the time he had done the homework D. after he had done the homework Câu 10: Choose the words whose underlined word is pronounced differently from the others. A. constancy B. by C. loyalty D. quality Câu 11: A. changeable B. which C. characteristic D. each Câu 12: She has cooked for dinner for two hours. A. She started cooking for dinner two hours ago. B. Cooking for dinner took her two hours. C. She didn't start cooking for dinner until it was two. D. She has two hours to cook for dinner. Câu 13: He now goes to work on his bicycle instead of by car. A. He still goes to work by car but more often on his bicycle. B. He has stopped driving to work and goes by bicycle. C. He has never gone to work in his car but always on his bicycle. D. Since he bought the car, he has never used the bicycle to go to work. Câu 14: Find the mistakes (A,B,C or D) in the four underlined parts of each sentence Where (A) do (B) you go (C) last summer (D)? Câu 15: Thank you (A) for (B) invite me (C) to the party (D). Câu 16: He pulled a ______ of 50,000VND notes out of his pocket. A. plenty B. some C. deal D. wad Câu 17: ___________ since we had a quarrel A. I haven’t talked with him B. I wasn’t talking to him C. I hadn’t talked to him D. I didn’t talk with him Câu 18: A short part of a film or movie that is shown separately is called a A. cartoon B. news C. picture D. clip Câu 19: I would rather have an egg for breakfast. A. I don't want an egg for breakfast. B. I'll have an egg if there, is nothing else for my breakfast. C. I prefer to have an egg for breakfast. D. I would eat an egg for my breakfast. Câu 20: We hope that the students themselves will enjoy part in the projects. A. to take B. taking C. to be taken D. being taken Câu 21: ______________ I saw an accident. A. When we walked to school B. Before we have walked to school C. While we were walking to school D. After we had walked to school Câu 22: When I came to visit Mike, ________________ A. he is listening to music B. he was listening to music C. he has listening to music D. he will listen to music Câu 23: Choose the words whose has the stress differently from the others. A. anniversary B. embarrassing C. completion D. enthusiasm Câu 24: Choose the words whose underlined word is pronounced differently from the others. A. activity B. idol C. side D. brighten Câu 25: Would you mind not _________ the radio until I’ve finished with this phone call? A. to be turned on B. being turned on C. turning on D. to turn on Câu 26: He had finally accomplished his dream ________ becoming a pilot A. for B. at C. of D. on Câu 27: The woman ______a fuss when she discovered that her bag had been stolen. A. shouted B. made C. did D. cried Câu 28: There's no Question 1 .Choose the correct word in each of the following sentences. 1. Nancy is good math. a. on b. in c. at d. for 2. Thank you very .for helping me . a. so many b. much c. many d. a lot 3. You can't sing , a. I can't too . b. I can't either . c. So can't I d. Neither can't I 14. Last year I .only 1.5 m tall. a. was b. am c. were d. be 5. My class will . on a picnic tomorrow. a. going b. go c. be going d. to go 6. .heavy is your bag ? a. How many b. How c. Which d. What 7. I never like soccer . - Neither .I a. so b. hate c. do d. does 8. You need to some more homework before taking the test . a. listen b. play c. do d. help 9. Can I help you ? - No , thanks. I can . a. manage b. succeed c. do d. work 10. .is aunt Xuan going ? - She is going to the supermarket. a. How b. What c. What time d. Where 11. It was a boring weekend , I anything a. did b. don't do c. didn't do d. would do 12. Lan and Maryam are pen pal. They each other twice a month . a .are writing b . write c. has written d. wrote 13. I rarely eat ice cream now but I .it when I was a child a. eat b. used to eat c. am eating d. has eaten 14. Nam wishes he Thanh some money for her rent , but he's broke himself . a. can lend b. would lend c. could lend d. lend 15. Would you like .and visit me next summer ? a. to come b. coming c. came d. come 16. I watched a soccer match television last night. a. in b. at c. on Question 2. Choose the word that has the underlined part pronounced differently from the others . 1 a. consumer b. reduce c. use d. plumber 2. a. church b. catch c. mechanic d. kitchen 3. a. watched b. stopped c. cleaned d. worked 4. a. teach b. great c. street d. Easter Name : ……………………………… Class :……… The first written Test (12CB-45 minutes) I. Phonetics Choose the word that has the underlined part pronounced differently from that of the others. 1. A . decided B. stopped C. washed D. laughed 2. A. summers B. exams C. books D. spends 3. A. obliged B. determined C. believed D. kissed Pick out the word whose main stressed syllable is different from the rest. 4.A. country B. children C. survey D. precede 5.A. happy B. between C. attract D. banquet II. Multiple choice : Choose the best answer 1. Peter lives with his parents and two sisters. There are ________ generations in his family A. 2 B. 3 C. 4 D. 5 2. An arranged ________ is the one in which the parents choose a husband or wife for their child. A. married B. marriage C. marry D. marrying 3. Both whistling and clapping our hands are considered ______. A. verbal B. polite C. kidding D. rude 4. Our parents_________hands to give us a nice house and a happy home A. wave B. shake C. join D. take 5. My father has an older sister . We haven’t seen her ______ twenty years. A. for B. since C. after D. during 6. Mary is very interested in English . She ______English for over thirteen years. A. studied B. have studied C. studies D. has been studying 7. After he _________doing his English exercise , he played games on computer with his friends. A. finished B. had finished C. was finishing D. has finished 8. Last year , he _______an international exam on Maths but he failed to won a prize. A.take B. taked C. has taken D. took 9. Vinh denied … the glass window. A. breaking B. to break C. that he had broken D. for breaking 10. Which word has the stress on the second syllable? A. involved B. ancestor C. generation D. ceremony 11. To Americans, it is impolite or … to ask someone about his/her age, marriage and salary. A. rude B. rural C. crucial D. sociable 12. My brother … for a job since he graduated from college. A. is looking B. had looked C. was looking D. has been looking 13. We need a decision … this project by next week. A. on B. with C. to D. in 14. Waving and handshaking are …… forms of communication. A. direct B. verbal C. non-verbal D. regular 15. Their house needs … , but they have delayed it till next summer. A. being painted B. be painted C. to paint D. to be painted 16. They said that they had come back … . A. the day after B. the following day C. the day after tomorrow D. the previous day 17. When Sarah got to the station, Paul … already … for her. His train had already arrived early. A. has been waiting B. had waited C. had been waiting D. had been waiting 18. The bride and the groom would pray, asking their ancestors’ … to get married. A. promises B. permit C. promissing D. permission 19. Peter lives with his parents and two sisters. There are two …… in his family. A. families B. members C. generations D. relatives 20. In many ways she reminds me …. someone I knew at school. A. of B. to C. for D. with III. Supply the correct verb form 1. Since I ____________(give) up smoking , my health has been better. 2. If the weather is good tomorrow , we ____________(go) for a picnic . 3. Susan ______________(buy) a lot of books recently. 4. We __________________(study) maths in class when the light went out. 5. I ______________( not, see) the film last night because I _______________(see) it several times before. 6. By the time you come back here, we __________ (finish) school. 7. Why didn’t you listen while I __________ ( speak) to you? 8. He said he __________ (give) me a ring as soon as he __________ (reach) Paris. IV. Read the passage and then answer the following questions. Family in the Western world have changed greatly during the last two centuries. Social scientists say that this change in the family is one of the important changes from a traditional society to a modern society. Before the 19 th century, families usually arranged marriages for their children. Young people did not decide who they wanted to marry. After they got ... children” => He asked Trường THCS Núi Đèo BÀI KIỂM TRA 45 PHÚT SỐ Môn Tiếng Anh (Tuần 13 –Tiết 38 Năm học 2013-2014) *Nội dung kiểm tra: I.Pick out the word whose underlined is pronounced... on cancer patients A B C D 5.He used to lives on a farm with his uncle A B C D 6.Folktales are tradition stories that grandparents often tell children A B C D III Supply the correct form of verb

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