语法与词汇 45.China started its nuclear power industry only in recent years, and should______ no time in catching up.
【正确答案】 B
【答案解析】本题空格处是说应该立即迎头赶上。固定短语lose no time in doing sth．的意思是“立即着手做某事”，符合题意。其他三项“delay耽搁；lag落后于；lessen减少”都不正确。