若x>1,则x2-2x+22x-2有( ) A.最小值1 B.最大值1 C.最小值-1 发布时间:2017-04-22 12:24 │ 来源:www.tikuol.com 题型:选择题 问题: 若x>1,则x2-2x+22x-2有( )A.最小值1B.最大值1C.最小值-1D.最大值-1
题型:选择题 选词填空,补全句子。1. The colour of the skirt _______________ (are, is) red.2. I have _______________ (a, an) apple.3. I like _______________ (eggs, eat).4. It is your _______________ (road, scarf).5. The monkey is _______________ (strong, naughty). 查看答案