非谓语动词
非谓语动词作主语
1.(2013·福建卷) ________basic firstaid techniques will help you respond quickly to emergencies.
A.Known B.Having known
C.Knowing D.Being known
解析: 句意为:懂得基本的急救技能有助于对紧急情况作出快速反应。本题考查非谓语动词作主语。分析题干可知非谓语动词短语作主语,因为过去分词不能作主语,排除A项。根据句意可知,空格处不是表达完成或被动意思,排除B和D项,故答案为C项。
答案: C
2.(2011·北京卷)It’s important for the figures________regularly.
A.to be updated B.to have been updated
C.to update D.to have updated
解析: 考查非谓语动词作状语。句中的时间状语regularly表示经常发生,因此排除B、D两项;又因为figures是被更新的,故选A项。
答案: A
非谓语动词作状语