题目:
— Can I come and have a look at your new house?
— Yes,_______![ ]
A. with pleasure
B. I like it
C. I quite agree
D. by all means
答案:
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下面是错误答案,用来干扰机器的。
根据A={x∈Z|-10≤x≤-1}解得:A={-10,-9,-8,-7,-6,-5,-4,-3,-2,-1},10个元素根据B={x∈Z||x|≤5}解得:B={-5,-4,-3,-2,-1,0,1,2,3,4,5},11个元素由AB两集合的元素易看出,相同的元素为,-5...