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【单选题】
标准齿轮的压力角为多少?A.
20°
B.
30°
C.
21°
D.
不确定
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举一反三
【简答题】Fill in the blanks according to what you hear on the tape. — I’mvery sorry sir, but you see it is something of a ____ evening. Our guest starthis evening is Sammy Davis Junior and I’m afraid that the ...
【单选题】And I’m afraid that these days advertisers are more interested in the Internet than in paper editions. Yes, I’m afraid that a number of smaller newspapers may have to __________ in the near future.
A.
revenue
B.
editorial
C.
rely on
D.
close down
【单选题】下面哪项的两个方法，是一个类中的方法重载？
A.
void f1(){} void f2(){}
B.
"int f(int x){}int f(){}"
C.
"int f(int x){}void f(int x){}"
D.
"public int f(){}int f(){}"
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【简答题】输入三个数,并从小到大排序输出。
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【简答题】I’m afraid that the old man can’t go any ____(far).
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