题目

—Do we have to have the meeting right away? —Yes, we can’t __________. A. put off it B. put it off C. put off them D. put them off 答案:B【解析】 句意: ——我们必须马上开会吗?——是的,我们不能推迟它。 put off表示推迟。根据上文 Do we have to have the meeting right away?可知下文是说会议,这里是单数,用 it, put off表示推迟, put off it表示推迟这个会议,根据题意,故选 B。若函数f(x)=loga(2x2+x)(a>0,a≠1)在区间(0,)内恒有f(x)>0,则f(x)的单调递增区间为(A)(-∞,-)         (B)(-,+∞)      (C)(0,+∞)          (D)(-∞,-)
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