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【单选题】
I admire Steve very much, for in his pursuit of a successful life, he always _____ and never gives up in spite of the many difficulties and risks he has encountered.
A.
sticks it off
B.
stays it out
C.
sticks the course
D.
stays the course
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参考答案:
举一反三
【多选题】影响冲裁件尺寸精度的因素有
A.
模具刃口状态
B.
模具制造精度
C.
材料性质
D.
冲裁间隙
【简答题】日本人很风行祝寿,而且颇有趣。日本人到了___________岁时祝贺“米寿”?
【判断题】空气干燥器主要作用是清除压缩空气中的水分,避免机车车辆的后续空气部件及空气管发生冻结和锈蚀
A.
正确
B.
错误
【简答题】日本人很风行祝寿,而且颇有趣。日本人到了多大年纪时祝贺“米寿”?
【判断题】The way to obtain the regression for a new instance from the k nearest neighbors is to calculate the average value of k neighbors.
A.
正确
B.
错误
【单选题】The average value of 1/r for a 1s electron in the hydrogen atom is ( )
A.
1/a 0
B.
2/a 0
C.
4a 0
D.
9a 0
【单选题】The average value of each lost relationship across all countries surveyed is ( ) per year.
A.
$243
B.
$24
C.
$2,430
D.
$24,300
【简答题】影响塑件尺寸精度的因素有哪些?
【简答题】影响塑件尺寸精度的因素有哪些?
【多选题】影响尺寸精度的因素有( )
A.
装夹与校正
B.
刀具
C.
机床
D.
加工工艺
参考解析:
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