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duongnguyenkhang588
2 năm trước
1 học sinh đếm được số NST trong TB xoma của 1 con châu chấu là 23 - xác định số loại giao tử tao ra từ con châu chấu đó ??? - xác định số nhóm gen liên kết của con châu chấu trên
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V. Choose the best option A, B, C or D to finish the sentences. 1. We must be quick. There’s …………time left. A. little B. few C. much D. more 2. He made the soup by mixing ………… meat with some rice. A. little B. few C. a little D. a few 3. Luckily, I ………few mistakes in my last exam. A. make B. made C. have made D. am making 4. You look very …………. I’m sure you play sports regularly. A. thin B. fat C. fit D. well 5. Hamlet is an example of a ……. It has an unhappy ending. A. tragedy B. character C. comedy D. play 6. I …………such nice and enthusiastic volunteers before. A. never meet B. have never met C. never met D. will never meet 7. I want to pass the test, …………I’m studying hard. A. but B. because C. so D. although 8. Paul is similar to his brother in their interest ………horse riding. A. to B. with C. for D. in 9. I am not ready yet and …………A. she is too B. she is not C. so is she D. she isn’t either 10. They play was very long, but there were two……… A. intervals B. rests C. interruptions D. gaps

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