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phamtrungkien1111
2 năm trước
So sánh tính chất của phản xạ không điều kiện và phản xạ có điều kiện
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I. Choose the best option to complete the sentences 1. We'll go out when the rain.......... A. stopped B. stops C. stop D. has stopped 2. She .........until you ........ ready. A. won't come / ate B. doesn't come / will be C. won't come / is D. doesn't come / are 3. After the class ......over ask the teacher about that sentence. A. is B. will be C. had been D. would be 4. Many young people are fond of ....... football and other kinds of sports. A. play B. to play C. playing D. played 5. They couldn't help.....when they heard the little boy singing a love song. A. laughing B. to laugh C. laugh D. laughed 6. I need........what's in the letter. Why don't you let me........it? A. to know / to read B. know / read C. to know / read D. knowing / read 7. Manh said that he..... there at noon. A. is going to be B. will be C. was going to be D. can be 8. The scientist said the earth ........the sun. A. goes round B. is going a round C. was going around D. went arround 9. If we cut down more trees, there .................more floods A. are B.were C. have been D. will be 10. Where is the ................book shop , please ? A. nearer B.nearest C.near D. most near 11. We must protect environment for our .................. world. A. yellow B. today C. robot D. greener 12. I want to take part in .............Club that includes reduce , reuse and recycle. A. 3Rs B.3As C. 3Es D. 3Is 13. We should put a .................bin in every classroom. A. reuse B. reduce C.recycling D.clean 14. A house on the moon is my house in the .................... A. present B. future C. past D. now 15. New York, London, Tokyo , Shanghai are big ................ of the world A. towns B. countries C. cities D.parks 16. I usually ................... volleyball in my free time. A. do B. make C. go D. play

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