Most acts of politeness can be responded with a friendly nod or a wave of acknowledgement
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Nowadays it is not uncommon to find the well-mannered motorist on the road, even though there is an exception.
A. TRUE
B. FALSE
Which of the following is true of Para. 3？
A. Clean energy fever is fuelled mainly by human psychological weakness.
B. The energy provision for the coming decades will undergo rapid changes.
C. Hydrogen as a new energy will replace traditional energy forms like coal,and gas.
D. Supporters of clean energy business are pretty optimistic about its future.
The most cool-headed and good-tempered of drivers are likely to take revenge when they are
A. TRUE
B. FALSE
Gingrichian politicians reluctant to address the problem because______.
A. they think it is anything but a natural phenomenon
B. the efforts may turn to be too difficult and expensive
C. they think the predicted disaster is only hypothetical
D. some scientists have gone too far beyond the scientific consensus
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