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

[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]

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]French cars are more elegantly styled than their British ______.
A. counterparts
B. equals
C. ones
D. copies

[单项选择]Cars and motorcycles are similar ______ they are both privately owned means of transport.
A. so that
B. in that
C. for that
D. in which

[单项选择]Many people prefer large cars, ____ large cars are safer than small ones.
A. think
B. to think
C. having thought
D. thinking

[单项选择]Which statement about fluid replacement is accurate for a client with hyperosmolar hyperglycemic nonketotic syndrome (HHNS)
A. Administer 2 to 3 L of IV fluid rapidly.
B. Administer 6 L of IV fluid over the first 24 hours.
C. Administer a dextrose solution containing normal saline solution.
D. Administer IV fluid slowly to prevent circulatory overload and collapse.