I asked both Mary and Lucy to my birthda 发布时间:2017-06-20 14:25 │ 来源:www.tikuol.com 题型:选择题 问题: I asked both Mary and Lucy to my birthday party, but of them came .A. both B. all C. neither
题型:选择题 读经纬网图,回答1—2题。1、设A、B两地和A、D两地之间的最短距离分别为S1和S2,则[ ]A.S1=0.5S2B.S1=S2C.S1=1.5S2D.S1=2S22、若A、C两地同时位于晨昏线上,则一年中这种情形会出现[ ]A.1次B.2次C.3次D.4次 查看答案