更多"Without the sun's light______the ea"的相关试题:
[单项选择]If the temperature at the earth's surface is twenty degrees Fahrenheit, the temperature in a coal mine 500 feet below the surface would, in degrees, be _____________.
A. 50
B. 40
C. 30
D. 120
[单项选择]It has been estimated that the earth's surface temperature has increased ______ one quarter to three fourths of a degree since 1850.
A. by
B. at
C. to
D. with
[单项选择]______ most of the earth's surface is covered by water, fresh water is very rare and precious.
A. As
B. Once
C. If
D. Although
[单项选择]Three-fourths of the surface of the earth _______sea.
A. are
B. were
C. is
D. has been
[单项选择]Without air protection, the sun's rays______.
A. will become very cold
B. will do good to human beings
C. will become hot
D. will do harm to human beings
[单项选择]Seventy-five percent of the surface of the earth ______ by water.
A. are covered
B. is covered
C. have been covered
D. was covered
[单项选择]Without the air to hold some of the sun's heat, the earth at night ______ , too cold for us to live.
A. would be coldly freezing
B. would be freezingly cold
C. would be frozen cold
D. will freeze coldly
[单项选择]It can be seen from the passage that the earth's supply of natural medicines
A. may never be exhausted.
B. may be dropping rapidly.
C. is surprisingly big.
D. is as rich-as ever.
[单项选择]Without the greenhouse gases, the earth would
A. become warmer.
B. be much colder.
C. move more slowly.
D. move quickly.
[单项选择]The distance between the earth and the sun may be said to be ______.
A. enormous
B. huge
C. vast
D. immense
[单项选择]A body weighs ______ from the surface of the earth.
A. less the farther it gets
B. the farther is get, the less
C. less than it gets farther
D. less than it, the farther it gets
[单项选择]A body weighs ______ from the surface of the Earth.
A. less the farther it gets
B. the farther it gets, the less
C. less than it gets farther
D. less than it, the farther it gets
[单项选择]Approximately (three - fourths) of (the earth's) surface (are) covered (with) water.
A. three-fourths
B. the earth’s
C. are
D. with
[单项选择]The oil under the surface of the earth ______ in the distant past.
A. manufactured
B. generated
C. originated
D. estimated
[单项选择]Scientists generally agree that the Earth's climate will warm up over the next 50 to 100 years ______it has warmed in the 20,000 years since the Ice Age.
A. as long as
B. as much as
C. as soon as
D. as well as
