In our class.when the bell rang and the teachers closed his book.it was a for everyone to stand up．( )A．signalB．chanceC．markD．measure 题目和参考答案——青夏教育精英家教网—

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18．In our class，when the bell rang and the teachers closed his book，it was a___________for everyone to stand up．（　　）

A．

signal

B．

chance

C．

mark

D．

measure

分析在我们班，当铃声响起、老师合上书时，这就是每个人要起立的信号．

解答答案是A；本题考查名词辨析；signal（约定俗成的）信号；chance机会；mark 标志；记号；measure措施；根据句意可知打铃及老师合上书本，这是下课的信号，故选A．

点评辨析名词要在识记常见名词及其搭配的基础上理解语境，根据具体语境推断合理的答案．

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