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【单选题】
不属于空气供给系统组成部件的是( )A.
空气滤清器
B.
空气流量计
C.
节气门
D.
二次空气进气阀
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【简答题】______(新技术研制出之后) , the yields as a whole increased by 20 per cent.
【单选题】The total amount of energy received per minute by the whole earth is a great sum, but it is only a tiny fraction of the total energy radiated by sun.
A.
sent in
B.
sent for
C.
sent out
D.
sent up
【简答题】A new technique ________, the yields as a whole increased by 20 per cent. A) wording out B) having worded out C) having been worded out D) to have been worded out
【单选题】The tests work most effectively when it is used to measure
A.
the whole information on a person.
B.
one's creative ability.
C.
the skill one has learned.
D.
the skill he will learn in the future.
【单选题】A new technique _____ , the yields as a whole increased by 20 per cent.
A.
working out
B.
having worked out
C.
having been worked
D.
to have been worked out
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