问题补充:
The purpose of new technologies is to make life easier, it more difficult.
A. not make
B. not to make
C. not making
D. don’t make
答案:
A. not make
(答案→)B. not to make
C. not making
D. don’t make
解析:考查不定式作表语。句意:新技术的目的是使生活更容易,不是使生活更难。根据语义后面的结构应与to make life easier结构一样,否定式应在to前面加not,故选B。