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【判断题】
( )在蜗杆传动机构装配时,通过改变调整垫片厚度的方法,调整蜗轮的轴向位置。A.
正确
B.
错误
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皮皮学刷刷变学霸
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【简答题】复式记账法包括借贷记账法、收付记账法和增减记账法。 本题为判断题，请选择对与错，谢谢
【单选题】—Who is the young man in the air force uniform in the picture? — My brother. He has _____ the army for two years. [ ]
A.
joined
B.
left
C.
been in
D.
come to
【单选题】— “Who is he?” — “I don’t know. You may ask Mary ___________ (who he is, who is he).”
A.
who he is
B.
who is he
C.
who she is
D.
who is she
【单选题】下面程序的运行结果是 #include＜iostream.h＞ int fun(int a[ ] ,int n) { int result＝1 for(int i＝1i＜ni＋＋) result＝result * a[i] retum result } void main( ) { int a[3] ＝{3,4,5} cout
A.
12
B.
15
C.
20
D.
60
【单选题】— “Who is he?” — “I don’t know. You may ask Mary ___________ (who he is, who is he).”
A.
who he is
B.
who is he
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