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【单选题】
式轴心受压柱缀材的计算内力随 的变化而变化。A.
缀材的横截面积
B.
缀材的种类
C.
柱的计算长度
D.
柱的横截面面积
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】Why did the pharmaceutical industry put forward the new drug tasimelteon?
【单选题】用于病毒分离培养的标本的采集和运送,不正确的方法是
A.
发病早期或急性期采集标本
B.
发病晚期采集标本
C.
运输培养基中应含有抗生素
D.
标本采集后应速送实验室检查
E.
标本运送应放在带有冰块的保温瓶中
【简答题】恒温恒压下,反应自发性的热力学判据是 。
【单选题】下面对元音-i[ι]描述正确的是( )。
A.
舌尖前、高、不圆唇舌面元音
B.
舌尖前、高、圆唇的卷舌元音
C.
舌尖后、高、不圆唇的舌尖元音
D.
舌尖前、高、圆唇舌面元音
【单选题】下面描述的分别是哪个元音? (1)舌面前、低、不圆唇元音(2)舌面前、高、不圆唇元音(3)舌面后、高、圆唇元音(4)舌面央、低、不圆唇元音1[A] 2[i] 3[a] 4[u]
A.
③②④①
B.
②④③①
C.
①③④②
D.
②①④③
【单选题】Why did the owner of the shop put the book in a comer?
A.
He put it there in case anyone was persuaded to buy it.
B.
He put it there in case anyone was inclined to buy it.
C.
He put it there in case anyone was attracted to buy it.
D.
He put it there in case anyone was fascinated to buy it.
【单选题】Why did the clerk let the father go to the ATM
A.
the clerk needed
B.
the father didn't
C.
the father couldn't
D.
the two children
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