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• 12. Class is to begin in a minute, but the teacher still hasn’t _____.(A) come on (B) turned ou
• 3．番茄幼苗在缺镁的培养液中培养一段时间后，与对照组相比，其叶片光合作用强度下降，原因是(A)．光反应强度升高，暗反应强都降低(B)．光反应强度降低，暗反应强都降低(C)．反应强度不变，暗反应强都降低
• 13. By the end of last year we _____ more than 200 students of English all over the province.(A
• 4．取紫色洋葱外表皮，分为两份，假定两份外表皮细胞的大小、数目和生理状态一致，一份在完全营养液中浸泡一段时间，浸泡后的外表皮称为甲组；另一份在蒸馏水中浸泡相同的时间，浸泡后的外表皮称为乙组。然后，两组
• 6. He took the machine to pieces to find out how it _______.(A) progressed (B) operated (C) equ
• 14. ______ the teacher’s suggestion, Tom finally found a way to settle the problem.(A) Followin
• 7. I asked two people to help me start my car, but ____ of them knew what to do.(A) either (B)
• 15. – Hello, may I speak to Dr. Bush?--_________________.(A) Yes, I’m Bush (B) Yes, it’s me(C)
• 16. Of the two new teachers, who do you like______?(A) much (B) better (C) well (D) the most
• 17. Something about his manager suggested that he _____ not interested in what we were doing.(A
• 18. The belief that the children of working mothers usually suffer is_____ by most scientists.(
• 27. Have you ever been to the square ______ was built last year?(A) which (B) where (C) when (D
• 19. Catherine is one of the brightest students who _____ from the Department of Computer Scienc
• 28. They started off at about 5 o’clock in the morning. They should ____ there by now.(A) arriv
• 20. I always regret not _____ harder when I was young.(A) studying (B) having studied(C) to stu
• 29. In this park, sparrows often fly down from trees to eat from visitors’ hands. They are used
• 21. Her dog ran out of the yard _____ the old lady opened the gate.(A) moment (B) a moment (C)
• 30. It’s such a big room. If you don’t speak loud enough, you’ll never make yourself______.(A)
• 【題組】39. (A) carefully (B) quietly (C) bravely (D) quickly
• 【題組】57. When you cannot come up with the right word you’re trying to remember, you may ______.(
• 【題組】48. (A) worthless (B) expensive (C) unexpected (D) usual
• 22. –The phone is ringing.-- Who could _____ be? It is already midnight.(A) he (B) it (C) this
• Mr. Jones was traveling in a car. Soon after setting out from a village to drive to London, he
• The Amish are often called the “Plain People.” Their home have no pictures on the walls, and no
• 23. There used to be a coffee shop next to your house,________?(A) wasn’t there (B) didn’t ther