Generally speaking, there is always a generation _______ in every country.
A. gap
B. break
C. globe
D. equality
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The Chinese food in the United States is usually _______ for American people.
A. exchanged
B. altered
C. modified
D. cooked
He has a bad impression of his _______ in the office.
A. colleagues
B. bullets
C. barbers
D. audience
一个点如果在V面上,他的三个投影( )。
A. 一个投影在坐标轴上
B. 两个投影在坐标轴上
C. 三个投影在坐标轴上
D. 条件不够,不能确定
一个点如果在X轴上,它的三个投影( )
A. 一个投影在原点上
B. 两个投影在原点上
C. 一个投影在坐标轴上
D. 条件不够,不能确定