Even in the emergency room, Jerry made a joke to the doctors and nurses.
查看答案
Jerry asked the doctors to remove the bullets from his body because he was allergic to them.
A. 对
B. 错
设A∩B=A，则
A∪B=A
B. A∪B=B
C. B-A=Φ
D. B⊂A
设A∩B=A，则下列选项中正确的是
A∪B=A
B. A∪B=B
C. B-A=Φ
D. B⊂A
设A∪B=B，则下列选项中错误的是
A⊆B
B. A∩B=A
C. A-B=Φ
D. B-A=Φ
微信支付 
支付宝支付