Trong chọn giống vật nuôi cây trồng người ta cần tính di truyền hay biến dị của sinh vật tại sao

Giúp mình nhanh nhé mình sẽ vote 5 sao

IV. Complete the sentences with a form of "have to” or "should". Make the verbs negative when necessary. 1. Your hair's too long. I think you get it cut. 2. Your clothes are dirty. You wash them. 3. I'm going to bed. I get up early tomorrow. 4. I'd like to meet your best friend. You invite him/her round. 5. I tell my parents where I am, then they don't worry. 6. You come with me if you don't want to. I'll go on my own. 7. If you need some help with your homework, you go to the library. 8. If you have a ticket, you queue. You can go straight in. 9. You tell lies. It's wrong. 10. Nick works too much. I think he take it easy

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Mn giúp em bài 1 với ạ. Xin hãy làm chi tiết, dễ hiểu và chính xác ạ ! Em cảm ơn.

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Help , giúp tôu với . Tôi voye 5 sao

lại vẽ nha mn.Vẽ lại hình bên dưới full màu cẩn thận nha

a. Khi ôn tập về mối quan hệ giữa gen và tính trạng, bạn Nam đã đưa ra nhận định như sau: "Khi biết trình tự các axit amin trong chuỗi polipeptit ta sẽ xác định được chính xác trình tự các nuclêôtit trên phân tử mARN đã tổng hợp ra nó". Dựa vào những thông tin ở bảng trên, em lily cho biết nhận định của bạn Nam là đúng hay sai? Giải thích. b. Cho biết trình tự các axit amin trong một đoạn ở giữa chuỗi polipeptit do một gen của sinh vật nhân sơ quy định như sau: ....Pro- Arg-Lys- Thr.... Chọn và giải thích đáp án đúng về trình tự các nuclêôtit trên đoạn mạch gốc của gen đã tổng hợp ra đoạn chuỗi polipeptit trên A. 5'...GGX TXX TTX TGX... 3'. B. 3'.GGA TXT AAT TGX... 5'. C. 5'...GGA TXX TTT TXG... 3'. D. 5' ...XGT TTT TXT GGG... 3'.

EXERCISE 1: Completes the following sentences with comparatives or superlatives. Use the words in brackets and add any other necessary words. 1. Sometimes I feel all of my friends are (intelligent)……………….. I am, and yet, sometimes they tell me that they think I am (smart)……………..person …..............the class. 2. Mercury is (close)…………..planet to the sun. It moves around the sun (fast)……………any other planet in the solar system. 3. One of (popular) ………….holidays……………Vietnam is New year’s. 4. In terms of area, (large) ……..state………..United states is Alaska, but it has one of (small) …………..populations………….all the states. 5. Nothing is (important)……….good health. Certainly, gaining health is much (important)…………enjoying good health. 6. You can trust her. You will never meet a (honest)………….person…………she is. 7. Both Bangkok and Venice are famous for their waterways, but Bangkok has (extensive) …….canals…………….Venice has. 8. I feel (safe)………in a plane …………I do in a car. 9. My friend has studied many languages. He thinks Japanese is (difficult)…………all the languages he has studied. 10. One of (bad)………..nuclear accidents…………..the world occurred at Chernobyl in 1986. 11. Jakarta is (large)…….city in Indonesia. 12. Mountain climbing takes (strength)……………….walking on a level path. 13. The (short)………….distance between two points is straight line. 14. Cheese usually tastes (good)……………..at room temperature than it does just after you take it out of the refrigerator. 15. I think learning a second language is (hard)…………learning chemistry or mathematics. EXERCISE 2: Choose the best answer. 1. Her illness is………..serious than we first thought. A. much more B. much C. more much D. much much 2. It is…..today than it was yesterday. A. warm B. more warm C. warmer D. more warmer. 3. You are driving too fast. Can you drive…………? A. a bit slowly B. a bit more slowly C. slowly a bit D. slowlier. 4. Mary is one of………girls in our class. A. the most intelligent B. the more intelligent C. most intelligent D. the intelligentest. 5. Tom is………….of the two brothers. A. older B. oldest C. old D. elder. 6. Is this ……….pen you’ve got. A. the cheap B. the cheapest C. cheapest D. cheaper 7. My job is boring. I’d like to do something………………… A. interesting B. most interesting C. more interesting D. interestingly. 8. Mercedes is ………car of all. A. the most expensive B. the more expensive C. expensive D. the expensivest. 9. Your hair has….co lour as mine. A. the same B. different C. as same D. as different. 10. Do it as……… as you can. A. good B. well C. better D. very good. 11. Dogs make more noise than cats do. A. Cats are as noisy as dogs B. Cats aren’t as noisy as dogs C. Cats aren’t noisier than dogs. 12. Tom and Peter are the same height. A. Tom is as tall as Peter B. Tom isn’t as tall as Peter C. Tom and Peter are very tall 13. The air in the big city is more polluted than it is in the countryside. A. The air in the countryside is fresh and clean B. The air both in the countryside and in the city are polluted. C. The air in a big city isn’t as fresh and clean as the air in the countryside. 14. Living in a dormitory isn’t as comfortable as living at home. A. It’s more comfortable to live in a dormitory than at home. B. It’s more comfortable to live at home than in a dormitory. C. Living at home is less comfortable than living in s dormitory. 15. Some school subjects interest me, but others don’t. A. Some school subjects are as interesting as others B. Some school subjects aren’t as interesting as others C. All school subjects interest me. 16. I think that no city is more beautiful than Paris. A. I think Paris is the most beautiful city in the world. B. I think Paris is as beautiful as other cities in the world. C. I think Paris is less beautiful than other cities in the world. 17. Can you understand words more easily than gestured? A. Do you find it difficult to understand gesture? B. Is it easy for you to understand gesture than words? C. Are you better at understanding words than gestures? 18. Home computers used to be much more expensive. A. Home computers are more expensive than they used to be. B. Home computers are much more expensive than they used to be. C. Home computers aren’t as expensive as they used to be. 19. That’s the best meal I’ve ever eaten. A. I’ve never eaten a good meal B. I’ve never eaten a better meal C. I’ve never eaten the best meal 20. Sue don’t know as much as Italian than I do. A. Sue knows more Italian than I do. B. Sue knows as much Italian than I do C. Sue knows as much Italian as I do, GIÚP MÌNH NHANH VỚI Ạ