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【单选题】
使用台钳时,工件尽量夹在钳口的( )A.
中间位置
B.
上端位置
C.
左端位置
D.
下端位置
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举一反三
【单选题】Which of the followings is the common seasoning of Chuan cuisine?
A.
Chinese prickly ash
B.
fermented bean sauce
C.
all of the above
D.
none of the above
【单选题】Which of the followings is common seasonings of Chuan cuisine?
A.
Chinese prickly ash
B.
fermented bean sauce
C.
all of the above
D.
none of the above
【单选题】Which of the followings is a common seasoning of Chuan cuisine?
A.
Chinese prickly ash
B.
fermented bean sauce
C.
all of the above
D.
none of the above
【单选题】Spectral reading of the light reflected by an Earth-like planet____.
A.
can tell us the components of that planet' s atmosphere
B.
can locate oceans and forests on that planet
C.
can show what the weather on that planet is like
D.
is the quickest way to study its light curve
【单选题】Ctrl +shift + Alt + E 组合键的作用是
A.
将选中的图层合并为一个图层。
B.
将当前图层与其上面的一层合并。
C.
将当前图层与其下面的一层合并。
D.
合并可见图层并保留原始各层。
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