26. He is free now, so he ______ go with us, but he hasn’t decided yet.
A. shall B. must
C. may D. will
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
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
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
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
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
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
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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