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【单选题】
单向 PCV控制阀的作用是( )。A.
防止怠速时混合气被吸入曲轴箱内
B.
防止高速时混合气被吸入曲轴箱内
C.
防止怠速时机油被吸入气缸
D.
防止怠速时曲轴箱内气体吸入气缸冲淡混合气
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皮皮学刷刷变学霸
举一反三
【单选题】There are two cars in front of the house. --One is mine, ________ is the mother's,
A.
other
B.
another
C.
the other
D.
others
【单选题】The guy is always running ______ the other cars on the road, unfortunately he ran his car ______ a tree.
A.
after; into
B.
after; out
C.
away; into
D.
into; into
【单选题】What will happen if cars are linked to each other electronically in 2020?
A.
Motorists will get a clear view of the road.
B.
The weather conditions won't influence on motorists.
C.
All trains will burn less fuel than the present.
D.
There will be a decrease in the pollution caused by car.
【单选题】________的功能是将控制权转移到用户命令行解释器,该解释器允许访问具有受攻击程序权限的,系统上可用的任何程序。
A.
shellcode
B.
stacking
C.
no-excute
D.
内存管理
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