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... Câu 5:  [2015939] Một ankan có tên đọc sai là: 2, 3,? ?4? ?­ trietylpentan. Tên đúng theo danh pháp Quốc tế là:  A.? ?4? ?­ etyl ­ 3, 5 ­ đimetylheptan  B. 3,? ?4? ?­ đietyl ­ 5 –metylhexan  C. 1, 2, 3 ­ trimetyloctan  ... Câu 5:  [20155 04]  Chất sau đây có danh pháp quốc tế là   A. neo – heptan và 2,2 ­ đimetyl pentan đều đúng  B. neo – heptan  C. 2,2 ­ đimetyl heptan  D. 2,2 ­ đimetyl pentan Câu  6:    [201 549 4]  Đề  hiđrô  hóa  n  –  butan  ...  là  14, 2. Hiệu suất phản ứng đề hiđro hoá các ankan là bao nhiêu nếu biết hiệu suất của 2 ankan là như nhau?  A.? ?40 %  B. 50%  C. 30%  D. 60% Câu 17:  [201 547 5] Đốt cháy hoàn toàn? ?4, 64? ?gam một hiđrocacbon X (chất khí ở điều

Ngày tải lên: 27/08/2017, 10:12

... 223 A 243 C 263 D 283 D 303 D 323 C 343 A 363 D 383 D 40 3 A B 24 A 44 C 64 A 84 A 1 04 A 1 24 B 144 A 1 64 D 1 84 D 2 04 B 2 24 A 244 C 2 64 B 2 84 A 3 04 D 3 24 B 344 B 3 64 C 3 84 C 40 4 C A 25 D 45 B 65 ... D 353 C 373 C 393 D 41 3 A 14 D 34 C 54 A 74 B 94 B 1 14 A 1 34 A 1 54 D 1 74 B 1 94 B 2 14 A 2 34 D 2 54 C 2 74 B 2 94 B 3 14 C 3 34 B 3 54 C 3 74 A 3 94 A 41 4 B 15 C 35 C 55 A 75 B 95 D 115 C 135 C 155 A 175 ... 103 1 04 105 106 107 108 109 110 111 112 113 1 14 115 116 117 118 119 120 B C B B D A B C B A A C B B C B B A D B 121 122 123 1 24 125 126 127 128 129 130 131 132 133 1 34 135 136 137 138 139 140 B

Ngày tải lên: 21/06/2021, 19:51

... y0  f (3)  11  11   M1  3;    C   2 11 25  11  Phương trình tiếp tuyến  C  M1  3;  y   x  3  hay y  6x  2  2 * Với x0 = - ta có y0  f  2    11  11   M  2; ...  4x  3  x  1   x  1 a) Gọi M  x ; y0    C  tiếp điểm tiếp tuyến    Tiếp tuyến    có hệ số góc k  f  x     0, x  x    Mà  ;Ox   45 0  k  tan 1800  45 0 ... k  ? ?4 x0   x0   x          x   2  x  1  x  1   * Với x0 = ta có y0  f  3  4. 3    M1  3;3 1 Phương trình tiếp tuyến    : y  ? ?4.  x  3   y  4x 

Ngày tải lên: 19/11/2022, 15:46

... Tiếng Anh lớp khác như: Ôn tập Tiếng Anh lớp theo Unit: https://vndoc.com/tieng -anh- lop- 5 Luyện thi Tiếng Anh lớp trực tuyến: https://vndoc.com/test/tieng -anh- lop- 5 Luyện thi vào lớp môn Tiếng Anh: ... câu Jane watched a film last night He carried a box They helped their father John and Mary did homework yesterday I talked to Andrew Susan danced with Peter The boys tried basketball We planned ... ƠN TẬP TIẾNG ANH LỚP BÀI TẬP THÌ TRONG TIẾNG ANH a Em chia động từ cho sẵn thường đế hoàn thành câu: 1.I _ a good mark (get) 2.Rita _ (do) 3.We _ the table (lay) 4. Tim and Pat _

Ngày tải lên: 02/02/2023, 15:04

... https://vndoc.com/tieng -anh- lop- 11 Bài tập Tiếng Anh lớp 11 nâng cao: https://vndoc.com/tieng -anh- pho-thong -lop- 11 https://vndoc.com/ 0 24 2 242 6188 Bài tập Tiếng Anh lớp 11 Unit 10: Nature in Danger ... Tiếng Anh lớp 11 Unit 10: Nature in Danger có đáp án - Số 1 Bài tập Tiếng Anh lớp 11 Unit 10: Nature in Danger có đáp án - Số 2 Anh lớp 11 o: https://vndoc.com/tieng -anh- pho-thong -lop- 11 11: https://vndoc.com/test/mon-tieng -anh- lop- 11 ... forest can be re-established * Tham khảo thêm tập Unit 10 tiếng Anh lớp 11 có đáp án khác nhau: Bài tập Tiếng Anh lớp 11 Unit 10: Nature in Danger có đáp án Bài tập Tiếng Anh lớp 11 Unit 10:

Ngày tải lên: 21/01/2021, 05:10

... C 101 D 102 A 103 D 1 04 C 105 A V. 106 C 107 B 108 A 109 B 110 D 111 C 112 A 113 C 1 14 B 115 A 116 C 117 B 118 C 119 B 120 A 121 D 122 D 123 B 1 24 D 125 D 126 D 127 D 128 ... are correct 135 Plants and flowers can’t live without water A If you water plants and flowers, they can’t live B If you water plants and flowers, they will live C If you don’t water plants and ... Writing, and Study Skills) 123 What aspect of development does urban planning NOT deal with? A Physical development B technical development C Economic development D social development 1 24 How many

Ngày tải lên: 01/02/2021, 11:01

... TIẾNG ANH LỚP 11 THEO UNIT UNIT 5: COMPETITIONS CÓ ĐÁP ÁN I Underline the word that contains a different vowel sound. 1 group could would should 2 foot look smooth push 3 rule luck run cut 4 ... holiday in Spain and that it (5) (come) as a complete shock &# 34; There (6) (be) no hint of any problem when I (7) (leave) for the holiday &# 34; Aston United (8) (appoint) Ronson as manager two ... winning again Mời bạn đọc tham khảo thêm tài liệu Tiếng Anh lớp 11 đây: Bài tập Tiếng Anh lớp 11 theo Unit: Bài tập Tiếng Anh lớp 11 nâng cao:

Ngày tải lên: 19/02/2021, 22:01

... Tiếng Anh lớp 11 đây: Bài tập Tiếng Anh lớp 11 theo Unit: https://vndoc.com/tieng -anh- lop- 11 Bài tập Tiếng Anh lớp 11 nâng cao: https://vndoc.com/tieng -anh- pho-thong -lop- 11 Anh lớp 11 o: ... https://vndoc.com/tieng -anh- pho-thong -lop- 11 Anh lớp 11 o: https://vndoc.com/tieng -anh- pho-thong -lop- 11 11: https://vndoc.com/test/mon-tieng -anh- lop- 11 ... wild life, many species of birds and animals are likely to completely a die out b die down c die away d die from 14 The Earth will be a planet where' human beings, animals and plants live

Ngày tải lên: 04/03/2021, 09:31

... Tiếng Anh lớp 11 đây: Bài tập Tiếng Anh lớp 11 theo Unit: https://vndoc.com/tieng -anh- lop- 11 Bài tập Tiếng Anh lớp 11 nâng cao: https://vndoc.com/tieng -anh- pho-thong -lop- 11 Anh 11: ... blank space in the following passage. (11) 36 - a; 37 - c; 38 - d; 39 - b; 40 - c; B Read the passage carefully, then choose the correct answers. 41 - b; 42 - c; 43 - d; 44 - b; 45 - a; 46 ... for lunch 54 'Would you like some coffee, Mike?' a Jane asked Mike to make her some coffee b Jane wanted to know whether Mike like coffee c Jane offered to make some coffee for Mike d Jane suggested

Ngày tải lên: 04/03/2021, 09:59

... liệu Tiếng Anh lớp 11 đây: Bài tập Tiếng Anh lớp 11 theo Unit: https://vndoc.com/tieng -anh- lop- 11- moi Bài tập Tiếng Anh lớp 11 nâng cao: https://vndoc.com/tieng -anh- pho-thong -lop- 11 Bài tập ... carefully, and then answer the questions below. ( 14) After World War II, a number of Asian countries became independent Many the new independent Asian countries wanted to use a new type of compete ... Why did many new independent Asian countries want to use a new type of competition? 6 Who greatly contributed to holding the first Asian Games? 7 Which country hosted the first Asian Games?

Ngày tải lên: 04/03/2021, 18:28

... not stand/ kept/ wait/ such/ long time// She can't stand being kept waiting for such a long time 2 America/ said/ discovered/ 149 8/ Columbus// America is said to have been discovered by Columbus ... (go) and see the boss and say what you've done If you put off explaining (explain) it to her, she'll only more annoyed. 11 No that's not what I meant to say (say) How can I make you understand ... the plans 10 You'd better _ (go) and see the boss and say what you've done If you put off _ (explain) it to her, she'll only more annoyed 11 No that's not what I meant (say) How can I

Ngày tải lên: 11/03/2021, 01:35

... adolescents, and adults in the United States through schools and colleges (2) _ by state and local governments (3) _ the nationally regulated and financed education (4) _ of many other ... avoid _ some of my questions A answer B to answer C answering D answered VI/ Choose the correct words to complete the sentences: 1/ They were just _ us about Anna's new boyfriend A talking ... the class consists of slow exercises that develop balance and fluid (flowing, not jerky) motion After this, dancers practice quick movements, such as small jumps and leg extensions, and then large

Ngày tải lên: 05/10/2016, 10:15

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Ngày tải lên: 06/10/2018, 16:48

... liệu Tiếng Anh lớp 10 đây: Bài tập Tiếng Anh lớp 10 theo Unit: https://vndoc.com/tieng -anh- lop- 10 Bài tập Tiếng Anh lớp 10 nâng cao: https://vndoc.com/tieng -anh- pho-thong -lop- 10 Anh lớp 10 ... from Bangkok to Chiengmai?&# 34; ~ &# 34; About 500 miles.&# 34; A How long B How far C How much D How many 12 &# 34; did he pay for his transistor radio?&# 34; ~ &# 34; Only three hundred bath.&# 34; A ... long. X Complete this conversation by writing the questions .? A Peter Moore 2 .? B a sister and a brother .? C Near London 4 .? D I'm ateacher ( 24) 8 .? H Country music .? I Some Asian countries

Ngày tải lên: 17/02/2021, 14:06

... cities, (6) she could spend days in art galleries and museums, and 10 white sandy beaches, (7) she could sunbathe and swim And now she had the time and the money to (8) she wanted But she knew ... States mainland The other boroughs are on islands Brooklyn and Queens occupy the western end of Long Island Water surrounds Staten Island and Manhattan These two boroughs face each other across ... similar to a county The five boroughs are Manhattan, Queens, Brooklyn, the Bronx, and Staten Island D/ The Bronx is the only borough of New York City on the United States mainland The other

Ngày tải lên: 04/03/2021, 13:54

... money, (12) _ less cost, (13) _ many separate campaigns. A cooperative organization similar ( 14) _ the community chest is the community council The community council usually raises support (15) ... The council may be a part (21) _ a community chest, or it may be the larger entity and include (22) _ it a community chest The national association (23) _ community chests and community councils ... ( 14) _ of general college study Credits earned at junior colleges could be transferred to another institution (15) _ students could complete their final years of college Now called community

Ngày tải lên: 04/03/2021, 13:55

... country, it has many different (2) _ British Columbia is the westernmost Canadian province and the (3) _ province on the Pacific Ocean Mountains (4) _ most of it Vancouver, a major port ... carefully, and then select the best option A, B, C or D to complete it: CANADA - LAND OF MANY REGIONS Today, Canada is made (1) _ of ten provinces and three northern territories As a big country, ... provinces are Canada’s business and ( 14) _ heartland Toronto, Canada’s largest city, is in Ontario So is Canada’s capital, (15) _ Montréal, the second largest city, is in Québec Canada’s (16)

Ngày tải lên: 04/03/2021, 14:09

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Ngày tải lên: 11/04/2021, 22:03

... transmission has now become a cheap and way to transmit texts and graphics over distance A inconvenient B convenient C uncomfortable D comfortable 4) If you to your favourite newspapers and ... will be a planet where human beings, animals and plants live in peaceful _ a cooperation b coordination c corporation d coexistence 13.We continue to rainforests and increase the dangers of ... play to the end a can’t b could c couldn’t d was able to 53 At last we …………….reach the top of the mountain a could b couldn’t c were able to d can c doesn’t d does 54 He’ll go to college, ………….he?

Ngày tải lên: 16/01/2023, 08:24

... again can be a strange (31) ________ Some have changed so much that you can hardly recognize them: they speak with a different (32) ________, are interested in different things and all you can ... is meaningful to the sentence printed before. 47 . ________ the promotion of health and to helping people avoid injury and disease. a. To commit the Red Cross b. The Red Cross to commit c. Committed ... understand Harold's behavior. a. I lost contact with Harold, so I couldn't understand him well. b. I have to lose a lot to understand Harold's behavior. c. I completely understand

Ngày tải lên: 20/04/2015, 16:21