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【单选题】
电控燃油系统空气供给系统中,检测进气压力的是( )。A.
怠速旁通阀
B.
进气压力传感器
C.
空气滤清器
D.
进气
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【简答题】And so we've got to remind ourselves -- and we can do it -- to be curious; to be curious about what others bring. And that curiosity can also ______a kind of generosity of ______.
【单选题】Before going out, Linda_________ a quick look at herself in the mirror on the wall.
A.
will be taking
B.
was taking
C.
had taken
D.
took
【单选题】Before going out for a trip, you should get everything ready ______.
A.
on time
B.
in advance
C.
by chance
D.
before long
【单选题】Which command do you use to display the status of an antivirus database update?（）
A.
show security utm anti-virus status
B.
show security anti-virus database status
C.
show security utm anti-virus database
D.
show security utm anti-virus update
【简答题】下面对本文内容的分析和概括。正确的一项是（ ）。
【单选题】What will you do if it__________ tomorrow? We have to carry it on; we've got everything ready.
A.
rain
B.
rains
C.
will rain
D.
is raining
【多选题】Which of the following do variable costs involve? _____.
A.
port charge
B.
loading and unloading costs
C.
repair and maintenance expenses
D.
costs of fuel
【单选题】---What will you do if it ___ tomorrow? ---We have to carry it on,since we've got everything ready.
A.
rain
B.
will rain
C.
rains
D.
is raining
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