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【简答题】
在推导簧丝横截面上的应力时,做了哪些简化?
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皮皮学刷刷变学霸
举一反三
【单选题】He is quiet, isn't he? --- Yes. He is accustomed ________ at meals.
A.
not to talk
B.
to not talk
C.
not to talking
D.
to not talking
【简答题】A．He is not accustomed to the weather and food in the country. B．He isn't very well. C．He has some trouble in his study. D．He feels lonely living in Britain.
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