题型:选择题 已知命题p:2xx-1<1,命题q:(x+a)(x-3)>0,若p是q的充分不必要条件,则实数a的取值范围是( )A.(-3,-1]B.[-3,-1]C.(-∞,-3]D.(-∞,-1] 查看答案
题型:选择题 Mary won in the ______ race last week. [ ]A. woman's 400-metres B. women's 400-metre C. woman's 400-metreD. women's 400-metres 查看答案