I.关键词语选择（共5小题；每小题1分，满分5分）
你将听到五个句子。请在每小题所给的A、B、C三个选项中选出一个你所听到的单词或短语。每个句子读两遍。
( )1.A. water B. wood C. wheat
( )2.A. arrive B. find C. mind
( )3.A. strange B. worker C. manager
( )4.A. simple B. different C. difficult
( )5.A. put off B. talk about C. think of
