题目内容
（请给出正确答案）
The atmosphere ______ certain gases mixed together in definite proportion.
A．consists of
B．consists in
C．insists on
D．persists in
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更多“The atmosphere ______ certain …”相关的问题
The atmosphere again acts ____our protective blanket on
[A] for
[B] with
[C] on
[D] as
As_____________ as men leave the atmosphere
[A] soon
[B] well
[C] much
[D] possible
All of the following are parts of the Sun's atmosphere EXCEPT the ______.
A．corona
B．chromospheres
C．photosphere
D．core
It can be inferred from the passage that______.
A．the atmosphere has a lot of water when it circulates
B．the water in the atmosphere is purer than that in the world's oceans
C．the amount of water in the atmosphere is greater than that in the oceans of the world
D．the small 'amount of water in the atmosphere plays an important part in the rainfall on the earth
It can be concluded from the passage that ______.
A．the circulation of atmosphere protects the biosphere and makes life on earth possible
B．if the protective atmosphere is damaged by human activity, all life will cease
C．life is the result of complex interdependent events of nature
D．despite the complexity and power of the atmosphere humans can affect it greatly
A.oxygen
B.carbon dioxde
C.helium
D.nitrous oxide
