皮皮学,免费搜题
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【多选题】
机械零件材料的选择主要考虑的原则是什么?
A.
载荷及应力的大小和性质
B.
零件的尺寸及重量
C.
零件的工作情况
D.
零件的结构及加工性
E.
材料的经济性
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举一反三
【单选题】Choose the best answer for each of the following. 1. The real reason many parents want their children to save is to ()
A.
help help them pay their way through college.
B.
demonstrate the value of compound in-terest
C.
stop them spending
D.
enable them to pay for their own things.
【多选题】华尔兹 舞的特点是 ( ) 富于抒情浪漫情调
A.
态雍容华贵
B.
舞步婉转流畅探戈
C.
舞姿飘曳优美
D.
旋转起伏似行云流水
【判断题】The real reason many parents want their children to save is to stop them spending.
A.
正确
B.
错误
【判断题】著名的“贝克莱悖论”是针对牛顿微积分的责难。()
A.
正确
B.
错误
【单选题】The real reason many parents want their children to save is to __.
A.
help them pay their way through college
B.
demonstrate them the value of compound interest
C.
stop them spending
D.
enable them to pay for their own things
【单选题】The real reason many parents want their children to save is to _____?
A.
help them pay their way through college
B.
demonstrate the value of compound interest
C.
stop them spending
D.
enable them to pay for their own things
【单选题】以下哪项是杜仲有效的降压成分
A.
杜仲胶
B.
桃叶珊瑚苷
C.
松酯醇二-β-D葡萄糖苷
D.
松脂素
E.
β-谷甾醇
【单选题】Q1 The real reason many parents want their children to save is to _____.
A.
help them pay their way through college
B.
demonstrate the value of compound interest
C.
stop them spending
D.
enable them to pay for their own things
【单选题】The real reason many parents want their children to save is to ___________.
A.
Help them pay their way through college
B.
Demonstrate the value of compound interest.
C.
Stop them spending
D.
Enable them to pay for their own things
【单选题】The real reason many parents want their children to save is to ______
A.
helop them pay their way through college
B.
demonstrate the value of compound interest
C.
stop them spending
D.
enable them to pay for their own things
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