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【简答题】
曲柄摇杆机构中,摇杆为主动件时,连杆与从动件共线位置称为 位置,此时压力角 a 等于 。
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【单选题】The two friends were ________ pleased to see each other that they talked on and on happily in the park. [     ]
A.
to
B.
so
C.
quite
D.
much
【单选题】图1-87所示剖视图为___剖视图。
A.
旋转
B.
复合
C.
阶梯
D.
【单选题】The two friends were faithful through _____________.
A.
bread and butter
B.
part and parcel
C.
thick and thin
D.
tried and true
【单选题】Two old gentlemen lived in a quiet street in Paris. They were friends and neighbors, and they often went for a walk together in the streets when the weather was fine. Last Saturday they went for a wal...
A.
in
B.
on
C.
of
D.
with
【判断题】地方性会计法规是根据全国普遍的情况制定发布的规范性文件。( )
A.
正确
B.
错误
【单选题】远期合约的空头是
A.
合约的买方
B.
合约的卖方
C.
交割资产的人
D.
经纪人
【简答题】完形填空。 One day, two friends were walking through the desert.-- 1 the journey they had a quarrel, and one friend hit 2 one in the face. The one who was hit was hurt, 3 he didn't say anything. Instead, h...
【判断题】远期合约的空头是合约的卖方
A.
正确
B.
错误
【单选题】--- The two old friends were ______ busy ______ with each other ______ the time. --- Yes. They hadn’t met for long.
A.
too; to talk; to forget
B.
too; talking; to forget
C.
so; to talk; that they forgot
D.
so; talking; that they forgot
【单选题】G80 X Z F120中,X/Z指的是 。
A.
进刀段B点的坐标
B.
退刀段D点的坐标
C.
切削段C点的坐标
D.
返回段A点的坐标
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