题目内容
14.If you swim in a river or lake,be sure to investigate__________is below the water surface.Often there are rocks and branches hidden in the water.( )A. | what | B. | who | C. | that | D. | whoever |
分析 如果你到河里或湖里游泳,请务必查清楚河底下面有什么.通常会有一些石头或树枝藏在水里.
解答 答案:A what指代的是树枝或石头,B选项和D选项用于指人,that只有语法意义.句式上,该句是非谓语to investigate后接一个宾语从句的表达.分析宾语从句的成分可以发现,空格所做的成分是主语.根据下一句的表述中的树枝和石头,故选A.
点评 判断这种题型可以从词意和分析句子成分入手,进而选出正确答案.
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