文档介绍：课时作业(二)
一、单项填空
1. Zhang Jingping, ________ firm believer in UFOs, believes the case is ________ most reliable of all the cases he investigated.
A. a; a B. the; a
C. a; the D. the; the
答案 C
解析 考查冠词。句意：张靖平是一个坚定的UFO的信奉者，他认为这个事件是他调查过的所有事件中最值得相信的。第一空表示泛指用不定冠词a；第二空从of all the cases中可以看出是the与most修饰后面的形容词构成最高级，所以用定冠词the。故选C。
2. The USA received 772 applicants from the Chinese mainland in 2010, making ________ the top market of the Green Card Through Investment program.
A. that B. itself
C. it D. them
答案 C
解析 考查代词的用法。此处用代词it指代前文出现的内容，即the USA。故选C项。
3. ________ newly published report states that robots can do everything, including taking off clothes and brushing teeth, for human being by ________ year 2090.
A. A; / B. A; the
C. The; / D. The; a
答案 B
解析 考查冠词。句意：最新出版的报告称到2090年机器人可以为人类做一切事情，包括***服，擦牙。第一空泛指“一个最近出版的报告”，用不定冠词a; by the year ... 意为“到……年”可知第二空应用the。故答案选B。
4. Don’t respond to any e-mails ________ personal information, no matter how official they look.
A. searching B. asking
C. requesting D. questioning
答案 C
解析 request“要求”。
5. English is also spoken in Singapore and Malaysia and countries in Africa ________ South Africa.
A. as for B. in view of
C. in case of D. such as
答案 D
解析 such as在句中用于举例,所列举的事例直接置于其后，中间不加任何符号。as for“关于；至于”；in view of“鉴于；考虑到”；in case of“万一；以免”。故选D。
6. If you let challenges and difficulties benefit ________ de