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【简答题】
空气滤清器的作用主要是滤除空气中的( )、( )和杂质,减少汽缸、活塞和活塞环等零件的磨损,延长发动机的使用寿命。
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举一反三
【单选题】In 1933 an unknown American called Clarence Nash went to see the filmmaker Walt Disney. He had an unusual voice and he wanted to work in Disney’s cartoon film for children. When Walt Disney heard Nash...
A.
Mickey Mouse
B.
Clarence Nash
C.
Walt Disney
D.
Pluto
【简答题】According to the survey (conduct)______recently, 52% of American business people booked their business travel online last year.
【简答题】When did Volvo sell its car manufacturing division to Ford?
【简答题】挤压机螺杆的有效长度与直径之比称为（）
【简答题】Let us construct, with the origin(原点) as center, a semicircle(半圆) of radius R.
【简答题】In 1933 an unknown American called Clarence Nash went to see the filmmaker Walt Disney. He had an unusual voice and he wanted to work in Disney's cartoon film for children. When Walt Disney heard Nash...
【单选题】IPv6唯一本地地址中40bit的全球唯一前缀作用是
A.
没有用，辟邪的
B.
代表子网位，做子网划分使用
C.
采用伪随机生成，避免冲突
D.
标识该地址段为私有地址
【单选题】When did Volvo sell its car manufacturing part to Ford ?
A.
in 1999.
B.
in 1990 .
C.
in 1995.
D.
in 1994 .
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