The scientists were trying to look for all possible _______ as to where this species came from.A.sig

题目简介

The scientists were trying to look for all possible _______ as to where this species came from.A.sig

题目详情

The scientists were trying to look for all possible _______ as to where this species came from.
A.signalsB.marksC.cluesD.spots
题型:单选题难度:偏易来源:不详

答案

C

试题分析:句意,科学家们正在努力寻找一切关于人类从哪里来的线索。Signals信号marks痕迹clues线索spots地点,根据题意,故选C。
点评:首先要理解句子意思,同时要知道各个选项的词义,把各个词义放入句中进行比较,不难选出正确答案。

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