更多"______ most of the earth's surface "的相关试题:
[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]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]Scientists generally agree that the Earth's climate will warm up over the next 50 to 100 years ______ it has warmed in the 20000 years since the Ice Age.
A. as soon as
B. as long as
C. as much as
D. as well as
[单项选择]The author raises issues that would most concern which of the following groups
A. Electricians.
B. Environmentalists.
C. Aircraft pilots.
D. Teachers.
[填空题]It has calculated that the earth's circumference around the equator is over forty miles longer than that around the poles（）.
[单项选择]What has happened to the earth's temperature over the last 18 years according to satellite data
A. It has increased slightly.
B. It has not changed.
C. It has decreased slightly.
D. It is not sure if it has changed.
[简答题]As evidence that the Earth's atmosphere is warming continues to accumulate, scientists are making slow progress toward an answer to the big question raised by the evidence: How much of the warming is due to human activity and how much to natural causes
[单项选择]What percentage of the total earth's water does underground water make up
A. 0.05%.
B. 0.5%.
C. 4.5%.
D. 5%.
[单项选择]A small increase in the earth's temperature may bring about
A. a decline in agriculture.
B. a drop of the sea level.
C. the death of all animals.
D. a delay in the greenhouse effect.
[单项选择]What percentage of the earth's water can man actually use at present
A. Nearly 75 per cent.
B. About 97 per cent.
C. Exactly 3 per cent.
D. Less than 3 per cent.
[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]Suppose the earth's temperature rose by 3 degrees, ______.
A. great harm would be done to mankind
B. the sea level would go by 10 centimetres
C. all the land in the world would be flooded
D. crops would be unable to grow on the earth
[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
