27. So suddenly ________ the disease that the whole family were at a great loss.
A. did he catch B. he caught C. was he caught D. he was caught
26. How hard the swimmers work now will _________ how they will perform in the 30th London Olympics.
A. determine B. decide C. assume D. forecast
25. A certain number of tourists _________ complaining about the high accommodation price during the last month.
A. is B. are C. has been D. have been
24. Whatever she says, _________ is often the case, you shouldn’t take too seriously.
A. it B. what C. which D. as
23. I have been absent for nearly half a month. I can’t afford_________ week.
A. the other B. another C. other D. a more
22. You can’t get the car back by Friday. It’s right_________.
A. under construction B. beyond repair C. out of date D. on the check list
第一节 语法与词汇知识 (共15小题;每小题1分,满分15分)
从A、B、C、D四个选项中,选出可以填入空白处的最佳选项,并在答题卡上将该项涂黑。
例:Mr. Smith owns________ collection of coins than anyone else I have ever met.
A. larger B. a larger C. the larger D. large
答案是B
21. -It is wise of parents to teach their children how to behave in company.
-_________.
A. Most likely B. For sure C. Exactly not D. No problem
49、(10分)下图图1是某二倍体雄性生物细胞正在分裂的示意图,图2表示该生物一个细胞连续变化过程中的染色体相对量的变化曲线。请据图回答:
|
|||
|
|||
(1)图1的细胞处在 分裂 时期,图2中染色体数量与该细胞中相同的时段是 。该细胞分裂结束后产生的子细胞含有 对同源染色体,基因型是 。
(2)该生物体细胞中,最多有 条染色体。
(2)图2中16时发生了 作用。表示细胞进行有丝分裂的时段是 。9-10时段细胞中染色体发生的主要变化是 ,染色体的着丝粒在 处分裂。
湖北省互联网违法和不良信息举报平台 | 网上有害信息举报专区 | 电信诈骗举报专区 | 涉历史虚无主义有害信息举报专区 | 涉企侵权举报专区
违法和不良信息举报电话:027-86699610 举报邮箱:58377363@163.com