第12题: [单项选择]China started its nuclear power industry only in recent years, and should ______ no time in catching up. A. delay B. lose C. lag D. lessen 参考答案:B 答案解析:[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