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【单选题】
轴套零件以短圆柱销定位时,可消除( )自由度。A.
两个转动
B.
两个移动
C.
一个移动，一个转动
D.
任意两个
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【简答题】By using the credit card, people no longer need carry about large sums of money while (travel) _____
【简答题】有如下程序： include ＜iostream＞ using namespace std; int strle(char a[],char b[]) { int num=O,n=O; while (* (a+num) !='/0') num++; while (b [n] ) { * (a+num)=b [n]; num++; n++; } return(num); } int main () ...
【单选题】The Americans and the British not only speak the same language but also ______ a large number of social customs.
A.
join
B.
take
C.
share
D.
have
【单选题】Using his hybrid rice, farmers are producing harvests ________________ before.
A.
as large twice as
B.
twice as large as
C.
twice larger as
D.
as large as twice
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