Our government ______ all people to save energy and fight against pollution.A.calls onB.calls upC.calls outD.calls for
参考答案:
A解析本题考查动词短语辨义。A. call on 要求;号召;拜访; B. call up 给……打电话; C. call out 大声喊; D. call for 要求;需要。结合句意“政府号召所有的人节约能源,并同污染作斗争。”可选出