[单项选择]Allthe cars are tested for {{U}}defects{{/U}} before leaving the factory
A. functions
B. faults
C. motions
D. parts

[单项选择]All the cars are tested for {{U}}defects{{/U}} before leaving the factory.
A. functions
B. faults
C. motions
D. parts

[单项选择]And the cars are tested for {{U}}defects{{/U}} before leaving the factory.
A. functions
B. faults
C. motions
D. parts

[单项选择]I must have {{U}}waited{{/U}} for ten minutes before the telephone operator put me through.
A. hung up
B. hung on
C. hung over
D. hung round

[单项选择]You'd better have the dog {{U}}surveyed {{/U}}before you offer to buy it.
A. painted
B. surtax ed
C. equipped
D. examined

[单项选择]An old friend {{U}}called on{{/U}} me the day before yesterday.
A. telephoned
B. rang
C. visited
D. saw

[单项选择]The cars {{U}}traveled{{/U}} 200 miles a day.
A. came
B. covered
C. gone
D. walked

[单项选择]Some pundits that many computers are obsolete before they're even de- signed, which goes a long way toward explaining why the ATM at my grocery store never works.
A. teach
B. praise
C. speculate
D. institute

[单项选择]Mary's professor had her （　） paper many times before allowing her to present it to the committee.
A. rewritten
B. to rewrite
C. rewrite
D. rewriting

[单项选择]The housewives would usually ______ the fruit before making their minds up which to buy.
A. pick out
B. pick on
C. pick up
D. pick over

[单项选择]The {{U}}replacement{{/U}} of air-polluting cars by non-pollution cars will take some time.
A. supplement
B. substitute
C. replenishment
D. complement

[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. The decline of public transportation accounts for increased car use in western Europe.
B. Cars are 'popular in western Europe even though fuel prices are fairly high.
C. The reduction of vehicle use is the only sustainable option in densely populated western Europe.
D. Western European oil companies cannot sustain the cost of developing new-type fuels.