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27. This soup is cold; it needs _______.

    A. to heat         B. to be heated      C. being hot     D. heated

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26. When she returned home, she found the window open and something ______.

    A. stealing        B. stole           C. stolen       D. to steal

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25. Ladies and gentleman, please fasten your seat belts. The plane ______.

    A. takes off        B. is taking off        C. has taken off    D. took off

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24. The computer centre, ____ last year, is very popular among the students in this school.

    A. open                             B. opening       

    C. having opened                       D. opened.

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23. That beggar seems _____ anything yesterday.

    A. not to have eaten                      B. not to eat 

    C. didn't eat                          D. to not have eaten

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22. The sports meet will be ____ till next week because of the bad weather.

    A. put off         B. put away         C. put up       D. put down

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   从每题所给的A、B、C和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。

21. A single mistake here could ____ you your life.

    A. pay         B. take             C. spend        D. cost

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4.(8分)现有无标签的稀蛋清、葡萄糖、 淀粉和淀粉酶溶液各一瓶,可用双缩脲试剂、斐林试剂和淀粉溶液将它们鉴定出来。请回答:

(1)用一种试剂将上述4种溶液区分为两组,这种试剂是_____________ ,其中发生显色反应的一组是_________ 和____________ 溶液,不发生显色反应的一组是 __________ ___________溶液。

(2)用_______________ 试剂区分不发生显色反应的一组溶液

(3)区分发生显色反应一组溶液的方法及鉴定结果是__________________

福州八中2010-2011高三毕业班第一次质量检查

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