题目

To fight SARS, we should _____ animals .A.care forB.fight againstC.get away from 答案:【答案】C【解析】句意:为了对抗SARS,我们应该远离动物。A. care for关心; B. fight against 对抗; C. get away from远离;根据句意,故选C。设 数列满足: , (1)   求证:数列是等比数列(要指出首项与公比), (2)   求数列的通项公式.
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