题目内容
(请给出正确答案)
[判断题]
Starting air is shut off from the engine as soon as sufficient speed has been reached.()
答案
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第3题
A.paralleled
B.organized
C.labeled
D.labeling
第4题
A.with; and
B.with; or
C.without; and
D.without; or
第6题
A.air
B.weather
C.atmosphere
D.climate
第7题
第9题
Cosmic ( 宇宙的) rays of various kinds come __________ the air from outer space
[A] across
[B] to
[C] from
[D] through
第11题
A.fix
B.fixing
C.to fix
D.fixed