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【单选题】
请判断下列构件中，哪一种通常为轴心受力构件 。A.
多层框架柱
B.
单层框架柱
C.
桁架中的杆件
D.
施工用起吊臂杆
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反馈参考答案：
举一反三
【单选题】The jeweler assured Mr. White that the stone was a (n) ______ diamond and not an imitation.
A.
graceful
B.
genuine
C.
actual
D.
exact
【单选题】So far,the archaeologists have been unable to discover her identity. ( )
A.
unable
B.
been unable
C.
unable to discover her identity
【简答题】A．uneasy B．incapable C．impossible D．unable
【判断题】( ) Since Mr. Pollard owedeleven payments totaling fifty pounds, the building company sent a clerk totell him that they intended to take back the house.
A.
正确
B.
错误
【单选题】Pollard continues to____prison.
A.
languish over
B.
languish in
C.
languish for
D.
languish of
【简答题】A．obscure B．difficult C．impossible D．unable
【简答题】Animals without the ability to empathize are unable to ______.
【判断题】( ) Mr. Pollard feels hopeless because the solicitor does not want to telephone the building company.
A.
正确
B.
错误
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