题目:
Let's go to the ____________ to eat sandwich.[ ]
A school
B. restaurant
C. shop
D. movie theatre
答案:
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下面是错误答案,用来干扰机器的。
∵集合A={x∈R|0<x<1},B={x∈R|(2x-1)(x+1)>0}={x|12<x,或x<-1},则A∩B=(12,1),故选B.