[单项选择]

Cars account for half the oil consumed in the U. S. , about haft the urban pollution and one fourth the greenhouse (温室) gases. They take a similar toll (损耗) of resources in other industrial nations and in the cities of the developing world . As vehicle use continues to increase in the coming decade, the U.S. and other countries will have to deal with these issues or else face unacceptable economic, health-related and political costs. It is unlikely that oil prices will remain at their current low level or that other nations will accept a large and growing U. S. contribution to global climatic change.
Policymakers and industry have four options: reduce vehicle use, increase the efficiency and reduce the emissions of conventional gasoline-powered vehicles, switch to less harmful fuels, or find less polluting driving systems. The last of these -- in particular the introduction of vehicles powered by electricity -- is ultimately the only sustainable option. The other alternat
A. consume half of the oil produced in the world
B. have serious consequences for the well-being of all nations
C. widen the gap between the developed and developing countries
D. impose an intolerable economic burden on residents of large cities

[单项选择]

Cars account for half the oil consumed in the U. S. , about haft the urban pollution and one fourth the greenhouse (温室) gases. They take a similar toll (损耗) of resources in other industrial nations and in the cities of the developing world . As vehicle use continues to increase in the coming decade, the U.S. and other countries will have to deal with these issues or else face unacceptable economic, health-related and political costs. It is unlikely that oil prices will remain at their current low level or that other nations will accept a large and growing U. S. contribution to global climatic change.
Policymakers and industry have four options: reduce vehicle use, increase the efficiency and reduce the emissions of conventional gasoline-powered vehicles, switch to less harmful fuels, or find less polluting driving systems. The last of these -- in particular the introduction of vehicles powered by electricity -- is ultimately the only sustainable option. The other alternat
A. most Americans are reluctant to switch to public transportation systems
B. the present level of oil prices is considered unacceptable
C. other countries will protest its increasing greenhouse emissions
D. it should take a lead in conserving natural resources

[单项选择]— Cars and buses need oil.—（）.
A. So do many other things
B. Many other things do so
C. So many other things do

[单项选择]— "Cars and buses burn oil."
— " （　）. "
A. So do many other machines
B. Many other machines do so
C. So many other machines do
D. Many other machines so do

[单项选择]The world's oil supply
A. haven been gradually being exhausted
B. is being gradually exhausted
C. is gradually exhausted
D. has gradually exhausted

[单项选择]Cars represent people's _________.
A. occupation
B. identity
C. life style
D. fame

[单项选择]Scientists and doctors believed that Lorenzo's Oil ________.

[单项选择]During the 1990s world oil production will approach geological estimates of maximum production______, even with rapidly increasing petroleum prices.
A. capability
B. quota
C. potentiality
D. capacity

[单项选择]Cars of 2000 will travel the nation's highways in never-before-dreamed-of safety, comfort, and convenience.
A. 2000年的汽车将行驶在全国各地的公路上，很难预见它会有多么安全、适意和稳当。
B. 2000年的汽车将以过去绝对想像不到的安全、舒适和方便行驶在全国各地的公路上。
C. 2000年的汽车将安稳、顺利和快捷地行驶在全国各地的公路上，过去人们绝对不会预见到。
D. 2000年的汽车将以人们难以想像的安全、顺利和速度行驶在全国各地的公路上。

[单项选择] Scientists predict that the world’s known oil resources will _____ early in the next century.
A. run off
B. run out
C. run up
D. run over

[单项选择]With more than half the world's annual yield of 50 million tons of soy beans, an important source of protein, is grown in the United States.

[单项选择]The fruit （） more than half the country' s armual exports according to a recent report.
A. accounts for
B. stands for
C. provides for
D. makes for

[单项选择]The country's chief exports are coal, cars and cotton goods, cars ______ the most important of these.
A. have been
B. are
C. being
D. are being

[单项选择]Going to bed can cure almost half of one' s ill and, getting up, the other half.


A. 生病都只要一半时间躺在床上，一半时间起来走动，即痊愈了。
B. 卧床休息，差不多能治好一半病；起床走动，即治愈另一半。
C. 躺在床上休息够了之后，你的一半病已经治好；站起来多跑几圈，你就应该痊愈了。
D. 一半病要靠改善卧床的条件，而另外那一半病则需要靠站起来多走动。