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【单选题】
载荷试验的P-S曲线形态上，从线性关系开始变成非线性关系时的界限荷载称为______。A.
允许荷载
B.
临界荷载
C.
临塑荷载
D.
极限荷载
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举一反三
【简答题】make oneself at home 无拘无束 1.Your friend has come, and ______________________( 让他不要拘束). 2._____________________ ( 请不要拘束) if you get there earlier.
【简答题】简述观察法的优缺点。
【单选题】— I hear you have got a ticket the concert. — Yes, I got it my uncle.
A.
by, from
B.
to, of
C.
to, from
D.
or, to
【简答题】The goverment (has, have) discussed the matter for a long time but they have shown no signs of reaching an agreement. 2.The class (is, are) taking notes, (its, their) pens scribbling quickly over (its...
【单选题】—I hear you have to exercise early in the morning. —Right. It's one of the in my family. [ ]
A.
plans
B.
members
C.
rules
D.
suggestions
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