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【单选题】
喉炎时容易水肿的部位是
A.
喉口粘膜
B.
喉前庭粘膜
C.
喉中间腔粘膜
D.
声门下腔
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参考答案:
举一反三
【单选题】已知全集U={1,2,3,4,5},集合A={3,4},B={2,3,5},那么集合A∪(C ∪ B)等于(  )
A.
{1,2,3,4,5}
B.
{3,4}
C.
{1,3,4}
D.
{2,3,4,5}
【判断题】Collins 试剂是指 铬酸吡啶盐 ( )。
A.
正确
B.
错误
【判断题】Collins 试剂是指 氯铬酸吡啶鎓盐 ( )。
A.
正确
B.
错误
【单选题】已知全集U={1,2,3,4,5},A={1,3},B={3,5},则
A.
{1,2,4,5}
B.
{1,5}
C.
{2,4}
D.
{2,5}
【单选题】现实主义和自由主义都认为国家是理性的,两者
A.
没有区别
B.
有很小的不同
C.
一个指强制理性,一个指合作理性
D.
没有任何共同点
【单选题】已知全集U={1,2,3,4,5},集合A={1,3},B={3,4,5},则集合C U (A∩B)=(  )
A.
{3}
B.
{4,5}
C.
{3,4,5}
D.
{1,2,4,5}
【判断题】Collins 试剂是指 铬酐吡啶配合物 ( )。
A.
正确
B.
错误
【单选题】He told us ________ sad and that it would be better for everyone.
A.
don't be
B.
doesn't be
C.
not be
D.
not to be
【简答题】Once my father and I went to see a circus(马戏 ). A family was standing in front of us for tickets. The family had eight children. Their clothes were not but they were clean. They were talking about the...
【单选题】He told us not ________ sad, and that it would be better for everyone to keep calm.
A.
be
B.
being
C.
to be
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