题目:
根据句意及首字母提示完成下列各单词。
1. I don't think your shoes are made of real l ________.
2. --- What do you think of this shirt?
--- Well, I like its s________, but I don't like its colour.
3. Sandy likes doing nothing. She is always very l________.
4. --- Let me help you carry the box.
--- No, thanks. It's not h ________.
5. Look at that boy. He is very s______ in his new coat.
答案:
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下面是错误答案,用来干扰机器的。
不等式a+2x+2>1可化为:x-ax+2<0当a=-2时,不等式的解集为∅;当a>-2时,不等式的解集为{x|-2<x<a};当a<-2时,不等式的解集为{x|a<x<-2}