OG181. Because of the enormous reseach and development expenditures required to survive in the electronics industry, an industry marked by rapid innovation and volatile demand, such firms tend to be very large.
A. to survive
B. of firms to survive
C. for surviving
D. for survival
E. for firms' survival
答案B。
但是在109中，如下：
Legislation in the Canadian provine of Onario requires of both public and private employers that pay be the same for jobs historically help by woman as for jobs reuiring comparable skill that are usually held by men.
A. that pay be the same for jobs historically help by woman as for jobs reuiring comparable skill that are
B. that pay for jobs historically help by woman should be the same as for a job reuiring comparable skills
C. to pay the same in jobs historically held by women as in jobs of comparable skill that are
D. to pay the same regardless of whether a job was historically held by woman or is one demanding comparable skills
E. to pay as much for jobs historically held by women as for a job demanding comparable skills
ETS说 A is the best. 而C,D,and E produce the ungrammatical construction "requiring of ...employers to pay"
我的问题是：在109中，require of X to do Y 是错误的，但在181中 却变成正确了？
到底require 的正确用法是哪几种？
十分迷惑，请解困，谢谢！！！ | 
