The atmosphere is ______ much a part of the earth as its soil and water of its lakes, rivers, and oc
A.so B.very C.even D.as
A.so B.very C.even D.as
The main topic of the passage is ______.
A.composition of the atmosphere
B.pressure from the atmosphere
C.air pollution in the atmosphere
D.the relationship between the atmosphere and men
The (closer) one (comes) to earth, the (more denser) (the) atmosphere becomes.
A.closer
B.comes
C.more denser
D.the
A.when
B.what
C.that
D.how
A、off
B、of
C、out
D、forth
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 around our Earth, we would not be able to live.
A.Had it not been for
B.Would it not be for
C.If it has not been for
D.If it were not for
A.considering of
B.consists of
C.composes of
D.composed of
In this passage the phrase "one atmosphere"(Line 8 )means" ______".
A.the mixture of gases that surrounds any heavenly body
B.one kilogram per square centimeter
C.the feeling among a group or produced by the surroundings
D.producing feelings of mysterious beauty or strangeness
A.disputed
B.discarded
C.dismissed
D.distorted
The largest part of the light energy directed towards the earth is ______.
A.stored up by the plants
B.absorbed by the earth' s atmosphere
C.stored up by the animals in the form. of body fat
D.used for electric power
A.burned; disappeared
B.burned; disappearing
C.burning; disappearing
D.burning; disappeared