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【判断题】
对于内螺纹,其螺纹小于螺纹底径;对于外螺纹,其螺纹大于螺纹底径。A.
正确
B.
错误
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参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【多选题】如何提高案例研究的信度和效度?
A.
避免对数据的主观诠释
B.
不能基于一个或几个案例研究的结果而做出理论上的归纳
C.
注意明确案例研究的对象与其所处的背景环境之间边界
D.
始终围绕研究问题
【单选题】成人窦性频率超过多少为窦 性心动过速
A.
120 次／ min
B.
100 次／ mln
C.
80 次／ min
D.
160 次／ mn
E.
180 次／ min
【单选题】One of the most common human fears is scarcity. Many people are afraid of not having enough of what they need or want, and so they are always【C1】______to get to a point【C2】______ they would finally ha...
A.
strengthening
B.
inspiring
C.
striving
D.
resolving
【简答题】According to a recent survey, British agers are not in good health because they don’t have enough time for sleep. They don’t sleep well, either. They are often disturbed(打扰) by electronic gadgets(...
【简答题】My parents managed to ______ (be good enoug but not very good) on a small amount of money.
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