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【多选题】
下列方法用于树脂基复合材料成形的有：A.
喷射成形
B.
模压成形
C.
层压成形
D.
缠绕成形
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皮皮学刷刷变学霸
举一反三
【单选题】I’m really ________ this weather – why can’t it be sunny for a change?
A.
fed up to
B.
fed on
C.
fed to
D.
fed up with
【简答题】Welch______ Hut möchtest du?
【单选题】作用于刚体上某点的力可沿其作用线移到刚体上任意一点，并不改变该力对刚体的作用效果，这是静力学的( )。
A.
力的平行四边形公理
B.
二力平衡公理
C.
作用力与反作用力公理
D.
力的可传性原理
【单选题】听力原文：When the Fed wishes to encourage business activity, it may lower the discount rate to boost borrowing. (5)
A.
People are discouraged to do business with a lower discount rate.
B.
People are encouraged to borrow more money if the discount rate is lowered.
C.
People are encouraged to borrow more money if the discount rate is raised.
D.
People are discouraged to borrow less money with a lower discount rate.
【单选题】The Fed can lower the federal funds interest rate by ________ securities, thereby ________ reserves.
A.
selling; adding
B.
selling; lowering
C.
buying; adding
D.
buying; lowering
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