1．I have many friends, _____ some are businessmen.
A．of them B．from which
C．who of D．of whom
命题目的：考察定语从句中非限制性定语从句的用法。
答案：D
解析：本题主要考查定语从句“介词＋关系代词”结构的灵活运用能力。大意应为：“我有很多朋友，他们中有一些是商人。”即指的是：some
of my friends are business, 所以用of whom some…。
2．It is generally believed that teaching is _____ it is
a science.
A．an art much as
B．much an art as
C．as an art much as
D．as much an art as
命题目的：考查形容词同级比较的用法。
答案：D
解题方法：同级比较时有三种方式即：
做此类题的关键是此句型词语的顺序。
3．He is said _____ to Iraq during the Second world War.
So he is now an expert on the problem
A．to be sent B．to have been sent
C．to send D．being sent
命题目的：考查不定式在sb. /sth. is said to…句型中的用法，并考查了不定式的时态。
答案：B
解题方法：句型 sb. / sth. is said
to…指“据说……”，由于世界二战已经结束，所以这一不定式是讲述过去的行为，故要用不定式的完成形式。
