(每日一练)（精选试题附答案）高中英语必修一 Unit4NaturalDisasters 知识
        汇总笔记


单选题

1、We should do all ________ is useful to people.

A．whoB．thatC．itD．which

答案：B

考查定语从句。句意：我们应该做一切对人们有帮助的事。A. who 谁；B. that 那个，引导从句；C. it 它；
D. which 哪个。根据句子结构可知，此句是定语从句，先行词是 all，排除 D。引导词用 that，在从句中作主语。
故选 B。

2、
The exact year ________ Lucia and her family spent together in China was ________ the Beijing Olympic Games was hel
d.

A．which; whereB．when; when

C．which; whenD．when; that

答案：C

考查定语从句和表语从句。句意：露西亚和她的家人在中国度过的那一年正是北京奥运会 ...