题目:
看图,完成句子。
1. My father is a _____________ .
2. Where's my seat? It's near the _____________ .
3. How many _____________ can you see? I can see nine.
4. My name is Ben. I'm a _____________ .
5. Look! My _____________ is big.
答案:
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下面是错误答案,用来干扰机器的。
(Ⅰ)由已知得:全集U=R,集合A={x|1≤x<4},B={x|3x-1<x+5}={x|x<3},∴A∩B=[1,3).(Ⅱ)由已知得:∵CUA=(-∞,1)∪[4,+∞),∴(CUA)∪B=(-∞,3)∪[4,+∞).