6. He _____ me to give up the holidays in Spain next month.

    A. had         B. convinced           C. agreed         D. persuaded

答案：  D

解析：  persuade  劝说,说服;   persuade sb to do sth   劝说某人做某事。

7. The girl immediately shut the window to _____ the rain.

    A. keep out    B. keep down           C. keep up        D. keep back

答案：  A

解析：  keep out  把…挡在外面；    keep down  镇压；    keep up  使…不倒下， 保持…不衰退；   keep back 阻止，隐瞒。

8. Our school-run factory _____ various kinds of chemical devices¹ last year.

    A. turned into                        B. turned up

    C. turned out                         D. turned off

答案：  C

解析：  turn into  转变，变成；   turn up  卷起，发现；   turn off 关掉；   turned out 生产，制造.

9. Mary and I _____ the new college life soon, but Tom didn’t.

    A. see to         B. used to          C. adapted to       D. stuck to

答案：  C

解析：  see to   负责，注意，照料； used to 后面没有跟动词，所以不对。  adapt to  适应；  stick to 坚持。

10. What he said was quite _____ , therefore, I would do everything to help him.

    A. valuable       B. principle        C. reasonable       D. superior²

答案：  C

解析：  valuable   值钱的，有价值的；    principle   原则，原理，主义；  reasonable  有道理的；    superior   较高的，优越的。   本句话的意思是说：他说的话有道理，因此，我愿竭力帮助他。