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问题
判断题
诊断肺结核最可靠的依据是结核菌素试验阳性。
答案
参考答案:错
单项选择题
买卖合同属于()。
A.双务合同
B.单务合同
C.主合同
D.从合同
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选择题
People __ her because she ___ such a strange hat.
A.make fun of , wears
B.laugh at, puts on
C.joke about, is putting on
D.smile to , is having on
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