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【多选题】
振动在人体内传播的特点A.
不同组织，不同部位对振动的传播是不同的
B.
同一振动作用于不同的人，其反应可能是不同的
C.
振动作用于人体，不仅可以引起机械效应，更主要的是引起生理和心理效应
D.
不同频率、不同强度的振动，人体的主观感受不同
E.
局部振动和全身振动都可由人体直接接触振动的部位向其他部位传播
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【单选题】What instruction does the author have in his mind by asking you to imagine you have a magic wand?
A.
To increase your imagination power.
B.
To conceive a magic trick.
C.
To set up particularly attractive wishes.
D.
To enable you to perform. miracles.
【简答题】 the website design cost as low as possible The website design cost is one of the things that online entrepreneurs are thinking about when they plan to have a business on the Internet. Choosing ...
【简答题】Although cost is one of the most important considerations in material acquisition, ______________ is also vital。
【单选题】Although the original budget for the project was one billion Yuan, but ________ the cost is likely to be 50% higher.
A.
unique
B.
highlight
C.
eventually
D.
grateful
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