题目

关于地球自转描述正确的是:(    ) A.自东向西转                B.产生昼夜现象 C.周期是一天                D.产生昼夜长短的变化 答案:C In space, the slightest touch against something may send you flying ________ the opposite direction. [  ] A. to B. toward C. in D. for
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