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【单选题】
一标准直齿圆柱齿轮的齿距P=15.7mm,齿顶圆直径 =400mm,则该齿轮的齿数为______。A.
82
B.
80
C.
78
D.
76
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举一反三
【单选题】If it is generally acceptable as a medium of exchange then it
A.
must be a commodity.
B.
must be a precious metal such as gold or silver.
C.
is money.
D.
all of the above.
【单选题】Let us suppose the boundary between two States is a river, if it is navigable, and unless a treaty provides otherwise, the boundary is generally .
A.
one of the two banks of the river
B.
the mid-line of the river
C.
the mid-line of the principal channel
D.
the river bed
【简答题】Before I went to Yellowstone Park, I had never seen a black bear in the wild.
【简答题】简述Java面向对象特性。
【单选题】188 It is a generally acceptable practice that if one of your clients makes an informal request of you, then you should respond:
A.
formally in writing
B.
with a memo
C.
informally
D.
nonverbally
E.
All of the above
【简答题】运动性低血糖,如何处理?
【单选题】If no one is aware of conflict, it is generally agreed that ________
A.
employee - employer relations will be good
B.
conflict is subversive
C.
no conflict exists
D.
conflict is inevitable
【判断题】Spectators will generally be interested in a game if it is going to be a close contest.
A.
正确
B.
错误
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