题目

I wrote him a letter and suggested______ the meeting _____. A. to put;away    B. to put; off      C. putting; off         D. putting; away   答案：C  （2011•上海模拟）设不等式x2-1＜logax（a＞0，且a≠1）的解集为M，若（1，2）⊆M，则实数a的取值范围是1＜a≤2131＜a≤213．