The fresh air is compressed then stored in ()
A.the scavenging air receiver
B.the starting air bottle
C.the crankshaft
第4题
The air here is ______ I can enjoy in my mountain village.
A.not so fresh as that
B.so fresh as
C.as fresh as what
D.so fresh as what
第6题
A.flash/fresh air
B.wash/fresh water
C.flush/compressed air
D.rush/diesel oil
第7题
Fresh air is ______ to good health. So you should go out more and take more fresh air.
A.fundamental
B.elementary
C.principal
D.dominant
第8题
A、wet
B、lacking fresh air
C、dry
D、cool
第9题
If headaches only occur at night,lack of fresh air is often the cause.
A.deliver
B.fall
C.happen
D.arrive
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