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
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
The best title for this passage would be _____.
A.The Atmosphere and Our Environment
B.Research on Radiation
C.Effects of Space Radiation
D.Importance of Protection Against Radiation
The atmosphere ______ certain gases mixed together in definite proportion.
A.consists of
B.consists in
C.insists on
D.persists in
__________ in an atmosphere of simple living was what her parents wished for.
A) The girl was educated B) The girl educated
C) The girl’s being educated D) The girl to be educated