The author is inclined to think that a fifth level______.
A. would be little better than the fourth level
B. may be a lot more desirable than the first four
C. can be the last and most satisfying level
D. will become attainable provided the government takes actions
查看答案
Why did the captain ask the passengers to keep their seat belt on？
A. Because the plane is going to take off.
Because the plane is going to land.
C. Because there was an unexpected rough air flow.
D. Because the passengers were in great disorder.
Blain is usually late.
A. True
B. False
The reason why so many Americans die in fires is that______.
A. they took no interest in new technology
B. they did not attach great importance to preventing fires
C. they showed indifference to fighting fires
D. they did not spend enough money on fire facilities
It can be inferred from the passage that______.
A. fire safety lessons should be aimed at American adults
B. American children have not received enough education of fire safety lessons
C. Japan is better equipped with fire facilities than the Untied States
D. America's large population accounts for high fire frequency
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