题目:
设全集I={0,1,2,3,4},集合A={0,1,2,3},集合B={2,3,4},则(CIA)∪(CIB)等于
A.{0}
B.{0,1}
C.{0,1,4}
D.{0,1,2,3,4}
答案:
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1. pencil 2. book 3. desk 4. ruler 5. school