（A）How high
（B）What high
（C）How high an
（D）What a high
24 ______ man can now create radioactive elements, there is nothing he can do to reduce their radioactivity.
（B）somehow
（C）constantly
（D）carefully
（A）set
（B）series
（C）variety
（D）kind
（A）from
（B）in
（C）by
（D）on
（A）as
（B）of
（C）like
（D）about
（A）knowing
（B）sure
（C）feeling
（D）aware
（A）supports
（A）that
（B）as
（C）like
（D）so
22 ______ he works hard, I don't find when he finishes the experiment.
（A）As soon as
（B）As well as
（C）So long as
（D）So far as
23 ______average must a f）thing
（B）material
（C）atmosphere
（D）matter
（A）pull
（B）size
（C）gravity
（D）number
（A）at
（B）to
（C）on
（D）by
（A）many
（B）much
（C）heavy
（D）weighted
（A）Usually
（B）Frequently
1 Air is (1)_____, and like all matter, it has weight. Weight is the measure of the (2)_____ of gravity (3)_____ matter. If a scale registers 10 kilograms when a stone is placed on it, this means that gravity pulls the stone with that (4)_____ force. (5)_____, earth's gravity pulls on each (6)_____ of gas and dust on the atmosphere. Because our atmosphere is a. vast (7)_____ of air, it has (8)_____. If it could (9)_____ be compressed and put on a (10)_____ of scales, it would weigh about 5,700,000,000,000,000 (quadrillion) metric tons.
[考研类试卷]考研英语（一）模拟试卷140
一、Section I Use of English
Directions: Read the following text. Choose the best word(s) for each numbered blank and mark A, B, C or D. (10 points)
（D）less
（A）seats
（B）cabins
（C）bodies
（D）engines
（A）produce
（B）provide
（C）maintain
（D）improve
Grammar
21 You are just the same______you were the day when I first met you.
Air pressure is 1.036 kilograms per square centimeter (14.7 pounds per square inch) at sea (15)_____. It is greatest there because that is the (16)_____ of the atmosphere. (17)_____ higher altitudes the pressure is (18)_____. That is why the (19)_____ of highflying planes are pressurized. They are designed to (20)_____ the air pressure our bodies must have.
（C）Naturally
（D）Similarly
（A）kilogram
（B）group
（C）matter
（D）particle
（A）ocean
（B）plain
（C）container
（D）vessel
（A）some
（B）definite
（C）countless
（D）considerable
（A）surely
（B）balances
（C）comes from
（D）acts as
（A）altitude
（B）height
（C）level
（D）degree
（A）line
（B）layer
（C）bottom
（D）point
（A）On
（B）At
（C）For
（D）Through
（A）more
（B）none
（C）various
（A）As
（B）Whether
（C）While
（D）Now that
25 "It seems that she was there at the conference. "The sentence means that______.
The air pressed down on us and against us (11)_____ all sides. Something (12)_____ a ton of air is pressing against you at this moment. You are not (13)_____ of this because air pressure within your body (14)_____ the pressure of the air outside.