题目

有关经线、纬线正确的是  (      )A.经线指示东西方向             B.纬线指示南北方向C.所有经线的长度都相等         D. 所有纬线的长度都相等 答案:C My family always have a party ____the evening of October 1, the party starts ____8:00 p.m. A. at; in     B. in; on   C. at; on      D. on; at
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