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26. He is free now, so he ______ go with us, but he hasn’t decided yet.

A. shall                 B. must        

C. may                  D. will

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25. –I’m glad to be offered the job. Shall I start tomorrow?

– ______. See you tomorrow.

A. That’s hard to say           B. That depends

C. That’s all right          D. That would be great

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24. In a family, ______ really works is ____ there is one person who understands the finances and takes care of it.

A. that; what             B. what; that     

C. it; that                D. as; that

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23. After decades of effort, the city is still trying to _____ how to ban smoking in public places.

A. look through            B. get through    

C. figure out              D. take out

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22. It was on ________ Saturday in _______ July of 2009 that the famous scholar of Chinese traditional culture, Ji Xianlin, passed away.

A. /; /                   B. /; the        

C. a; the                 D. a; a

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第一节:单项填空(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。

21. When she was doing the cleaning yesterday, Mum found the ring that she _____ years ago.

A. loses                 B. has lost      

C. lost                  D. had lost

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33.⑴①无毛性状在后代重复出现(变异连续出现,稳定遗传)

②杂交后代不具有母系遗传现象③DNA分子杂交

⑵①常 RR ②RrXTY RrXTXt ③75%④1/8

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32.(9分,除注明外,每空1分)

(1)减慢   (2)竞争   捕食

(3)光合作用   线粒体

(4)(答案合理即给分)

①保护植被,大力植树造林,提高森林覆盖率

②严格控制化石燃料的燃烧,并提高能源利用率

③开发新能源,切实减少CO2的排放量

④节约用水、用电,外出时多步行,少用一次性物品

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