In our class,when the bell rang and the teacher closed his book,it was a__for everyone to stand up.A.signal B.chance C.mark D.measure求详解,主要是判断一下A、C.谢蛤~

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Inourclass,whenthebellrangandtheteacherclosedhisbook,itwasa__foreveryonetostandup.A.signalB.chanceC.

In our class,when the bell rang and the teacher closed his book,it was a__for everyone to stand up.A.signal B.chance C.mark D.measure求详解,主要是判断一下A、C.谢蛤~
In our class,when the bell rang and the teacher closed his book,it was a__for everyone to stand up.
A.signal B.chance C.mark D.measure
求详解,主要是判断一下A、C.谢蛤~

In our class,when the bell rang and the teacher closed his book,it was a__for everyone to stand up.A.signal B.chance C.mark D.measure求详解,主要是判断一下A、C.谢蛤~
正错答案选 A
signal 是发出的信号,mark 是记号,印记的意思.