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【简答题】
在C++中封装性、继承性和【6】是面向对象思想的主要特征。
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【单选题】下列机构：1）对心曲柄滑块机构，2）偏置曲柄滑块机构，3）平行双曲柄机构，4）摆动导杆机构，5）曲柄摇块机构，当原动件均为曲柄时，具有急回运动特性的有（ ）。
A.
2个
B.
3个
C.
4个
D.
5个
【单选题】It could not be ruled out that, sooner or later, the country would break out of the treaty.
A.
confirmed
B.
tolerated
C.
excluded
D.
refuted
【简答题】下列机构：1)对心曲柄滑块机构，2)偏置曲柄滑块机构，3)平行双曲柄机构， 4)摆动导杆机构，5)曲柄摇块机构，当原动件均为曲柄时，具有急回运动特性的有( )。 A．2个 B．3个 C．4个 D．5个
【单选题】The ratio between payments into and out of a country is known as the country's balance of payments. Besides the value of imports, and exports (the balance of trade), the balance of payments includes p...
A.
specificity
B.
accuracy
C.
ability to predict future trends
D.
comprehensiveness
【简答题】“Dinning out” and “eating out” are phrases people use in Britain when they eat in a restaurant or pub（小酒馆）. Eating out is more popular in Britain today than it has ever been. In 2006, for the first ti...
【单选题】下列各机构中: 1) 对心曲柄滑块机构、 2) 偏心曲柄滑块机构、 3) 转动导杆机构、 4) 摆动导杆机构、 5) 曲柄摇杆机构,当原动件均为曲柄时,上述机构中有 具有急回运动特性。
A.
2个
B.
3个
C.
4个
D.
5个
【单选题】下列机构: 1)对心曲柄滑块机构,2)偏置曲柄滑块机构,3)平行双曲柄机构,4)摆动导杆机构,5)曲柄摇块机构,当原动件均为曲柄时,上述多少个机构有急回运动特性?( )
A.
2个
B.
3个
C.
4个
D.
5个
【单选题】下列机构: 1)对心曲柄滑块机构,2)偏置曲柄滑块机构,3)平行双曲柄机构,4)摆动导杆机构,5)曲柄摇块机构,当原动件均为曲柄时,具有急回运动特性的有( )。
A.
5个
B.
4个
C.
3个
D.
2个
【单选题】The ratio between payments into and out of a country is known as the country's balance of payments. Besides the value of imports and exports (the balance of trade), the balance of payments includes pr...
A.
specificity.
B.
accuracy.
C.
usefulness.
D.
comprehensiveness.
【单选题】According to the Commercial Banking Law of our country' the total sum of the working capital to be allocated to all branches shall not exceed ______ of the total capital of the commercial bank.
A.
50%
B.
40%
C.
60%
D.
0.7
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