1.B。这里需要一个表语从句的引导词,并在从句中作say的宾语,代替上文的内容。 what从意思和语法上都合乎文意,为正确选项。
15.A. with B. under C. by D. for
名师点评
本文讲述了电脑在人类工作与生活等方面起着越来越大的作用,并告诉人们不必担心不断发展的电脑会威胁人类的安全,因为它永远处于人类的操纵之中。
答案简析
14.A. often B. never C. always D. sometimes
13.A. a B. an C. the D. /
12.A. chose B. get C. take D. make
11.A. when B. that C. how D. while
10.A. one day B. a day C. any day D. the other day
9. A. take B. look at C. draw D. put
8. A. producing B. ordering C. making D. building
7. A. either B. all C. both D. every