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【简答题】
同义句改写，每空一词。 That girl always goes home on foot afterschool. That girl always after school.
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皮皮学刷刷变学霸
举一反三
【单选题】脉冲当量是指( )
A.
每发一个脉冲信号,相应丝杠产生转角大小
B.
每发一个脉冲信号,伺服电机转过的角度
C.
进给速度大小
D.
每发一个脉冲信号,机床移动部件的位移量
【单选题】— Is Mr. Green at home? — No, he ______ Shanghai. [ ]
A.
has been to
B.
has gone to
C.
is going to
【单选题】—Mr. Brown is a hardworking man and he has achieved great success. —_________ [ ]
A.
So is Mr. Green.
B.
So has Mr. Green.
C.
It's the same with Mr. Green.
【单选题】Green tea has in recent years attracted much attention in the West for a wide range of possible ______ effects.
A.
advantageous
B.
beneficial
C.
favorable
D.
preferable
【单选题】—Look! Is that Mr. Green? —It be Mr. Green. He has gone to Shanghai.
A.
must
B.
can
C.
mustn’t
D.
can’t
【单选题】脉冲当量是指()
A.
每发一个脉冲信号，机床移动部件的位移量
B.
每发一个脉冲信号，伺服电机转过的角度
C.
进给速度大小
D.
每发一个脉冲信号，相应丝杠产生转角大小
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