[简答题]Statistics show that the average family size increases in inverse ratio to the mother’s years of education. A) 统计数字表明，按平均数计算，母亲受教育年限越长，她的家庭人口就越少。 B) 统计数字表明，家庭平均人口的增长与母亲受教育的年限成反比。 C) 统计数字表明，母亲受教育的时间越长，她的家庭就越大。 D) 统计数字表明，母亲受教育的水平随着她的家庭人口的增多而增高。

[单项选择]Statistics show that the average family size increases in inverse ratio to the mother’ s years of education.（）
A. 统计数字表明，按平均数计算，母亲受教育年限越长，她的家庭人口就越少。
B. 统计数字表明，家庭平均人口的增长与母亲受教育的年限成反比。
C. 统计数字表明，母亲受教育的时间越长，她的家庭就越大。
D. 统计数字表明，母亲受教育的水平随着她的家庭人口的增多而增高。

[单项选择]The interviewee cites the Bach family to show that creativity
A. seems to be attributable to genetic makeup.
B. appears to be the result of the environment.
C. appears to be more associated with great people.
D. comes from both environment and genetic makeup.

[简答题]Family

[单项选择]An analyst determined that if interest rates increase 120 basis points the price of a bond would be $89.7, but if interest rate decreases 120 basic points the price that bond would he $99.3. If the initial price of the bond is $95.4, the approximate percentage price change for a 100 basis point change in yield is closest to:（）
A. 2.5%.
B. 4.2%.
C. 8.4%.

[填空题]In 1980s, many manufacturing industries were increasingly confronted with ______.

[填空题]
GLLOBAL WARMING-THE BEGINNING OF THE END
Increased social debate regarding complex issues such as the greenhouse effect and global warming has definitely increased our environmental awareness. However, such debates are often emotive rather than informative. One can be forgiven, for example, for believing that the greenhouse effect is something we should be trying to eradicate!
Short-wave radiation, in the form of visible ultra-violet (UV) light from the Sun, penetrates Earth’s atmosphere to warm the surface of the planet. Because all matter is warmer than space, it radiates heat, and part of the sun’s energy is re-radiated out by the Earth’s surface. Greenhouse gases in the atmosphere trap some of this infrared radiation causing the Earth’s surface and lower atmospheric layers to warm up to a higher temperature than would otherwise be the case. Without these greenhouse gases, Earth would be a frozen, hostile environment with

[单项选择]What would be the impact of an unanticipated increase in aggregate demand on an economy’s rate of unemployment, rate of inflation, and the short-run Phillips curve (SRPC) Unemployment Inflation SRPC（）①A. Decrease Increase Upward movement along curve ②B. Increase Increase Downward movement along curve ③C. No effect Decrease Upward shift of curve
A. ①
B. ②
C. ③

[单项选择]For a firm in perfect competition, as output increases the marginal revenue will most likely:（）
A. increase.
B. decrease.
C. remain constant.

[单项选择]