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【单选题】
2 (76-78页Unit 3) Cars are mentioned in Paragraph 2 to show____A.
the Internet can provide maps to guide drivers in traffic jams
B.
people can solve air pollution and traffic jams by using the Internet
C.
the Internet, like cars, brings convenience and causes problems at the same time
D.
the negative effects they cause
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A.
pilot
B.
engineer
C.
actor
D.
computer programmer
【单选题】When stock prices become more volatile, the ________ curve for gold shifts right and gold prices ________, everything else held constant.
A.
demand; increase
B.
demand; decrease
C.
supply; increase
D.
supply; decrease
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【单选题】When gold prices become more volatile, the ________ curve for gold shifts to the ________; ________ the price of gold.
A.
supply; right; increasing
B.
supply; left; increasing
C.
demand; right; decreasing
D.
demand; left; decreasing
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【单选题】What is the main idea of this passage?
A.
Gold prices are very volatile.
B.
Gold prices may drop further.
C.
Gold is a perfect inflation hedge.
D.
Predicting gold prices is very difficult.
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