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【简答题】
窄板弯曲后横截面呈_______形状。窄板弯曲时的应变状态是_________的,而应力状态是___________。
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【简答题】19世纪60年代以后产生的早期维新思想代表人物有哪些?
【单选题】Swimming is ______ cycling. So I like cycling better. I want to have fun and I want to be safe as well.
A.
as interesting as
B.
less dangerous than
C.
less interesting than
D.
not as dangerous as
【简答题】课文背诵 People have been 1 cycling in Amsterdam for years. It is a good city for cycling because it is flat and therefore is convenient for bikes. There are also plenty of places for bicycle parking and ...