题目

(1)下图A给出物体AB及像A′B′的位置,请在图中画出凸透镜及其焦点F的大致位置。  答案:解析:略 —Look! That man looks like Mr Green.—It can’t be him. He _________ to America.A.wentB.will goC.has goneD.is going
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