In which way do lower gasoline prices affect U. S. economy？
A. It will lead to a little decrease of GDP growth in the third quarter.
B. It will reduce the cost of transportation of products.
C. It will raise the sale of gasoline and cars.
D. It will promote the economy as a whole.
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Which of the following is NOT the reason why Great Moderation is enjoyed by developing Asia？
A. Household consumption.
B. Demand management.
C. Wise monetary policy.
D. Rising leverage.
Which of the following expressions is used literally, NOT metaphorically？
A. He"s got a lot of heart(Paragraph One).
Break your heart(Paragraph Two).
C. The train runs in the opposite direction(Paragraph Six).
D. Who are the ticking time bombs(Paragraph Seven).
What is the main idea of this passage？
A. The possible danger of Christmas decoration.
B. Necessary information on safety regulations.
C. The accidents during Christmas season.
D. The nature of the household hazards at the end of the year.
Why did Gregory Belenky restrict his subjects to odd numbers of sleep hours？
A. Because he could acquire more precise information.
Because he could provide different tests.
C. Because he could find out the utmost effects of sleep.
D. Because he could observe the relationship between sleep and cognition.
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