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【单选题】
发动机由曲柄连杆机构,点火系,润滑系,供给系,起动系,冷却系,( )等组成。A.
传动系
B.
配气机构
C.
转向系
D.
曲轴飞轮组
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举一反三
【简答题】v. to deliberately get involved in, disturb
【简答题】 v. to deliberately make something such as a feeling or an activity last longer
【简答题】What makes the American deliberately unhappy according to the author?
【单选题】If a child is wilful, are they likely to cause damage or harm (a) deliberately, or (b) by mistake?
A.
deliberately
B.
by mistake
【简答题】Obstacles deliberately placed in the creation of music contribute to its success.