[填空题]In order to retire its aging single truck cars, over the next six years, the company bought 45 double truck cars, half of which were second-hand, coming from Cleveland and Somerset, partly for lack of money.

[填空题]In order to retire its aging single truck cars, over the next six years, the company bought 45 double truck cars, half of which were second-hand, coming from Cleveland and Somerset, partly for lack of money.

[填空题]China is an aging society，with 7% of its population ______ (be) over 65 years old.

[单项选择]One day a car rental agency rented 2/3 of its cars, including 3/5 of its cars with CD players. If 3/4 of its cars have CD players, what percent of the cars that were not rented had CD players ？（）
A. 10%
B. 35%
C. 45%
D. 66.7%
E. 90%

[填空题]In order to transmit nerve impulses to its neighbour, a neurone sends ______ known as neurontransmitters.

[填空题]In order to gains more money from its investors, a corporation may issue split stock.

[单项选择]The truck driver was badly （） when his truck crashed into a wall.
A. damaged
B. hit
C. hurt
D. harmed

[填空题]Large cars use more petrol than small cars. Small cars don’t use as _____________________ large cars.

[单项选择]Many people prefer large cars, ______ large cars are safer than small ones.
[A] think [B] to think [C] having thought [D] thinking

[单项选择]The aging of society in Japan foreshadows challenges ahead for other advanced industrial nations like the United States. About 20% of the Japanese population is over age 65 (compared with 12% in the United States), and Japan is wrestling with many consequences of this unprecedented and ongoing population shift.
Typical of the unexpected impacts is an increase in the number nationwide of kodokushi ("lonely death"), referring to an elderly person who has died with no relatives or friends to provide care in the last days, weeks, or even months. Traditionalists point to this ruefully as evidence of the collapse of the conventional family sys- tem and the erosion of networks of local community ties.
The larger society is responding in several ways to the trend toward aging alone. One response is coming from massive housing complexes, especially those where the median age is soaring as oldsters live longer. To promote social ties, housing complexes are opening community centers tha
A. The aging of society will be a challenge for Japan.
B. Japan is working hard to cope with its population problems.
C. Lonely death means the death of an elderly person who has no relatives or friends.
D. Lonely death indicates the collapse of the traditional family system.

[填空题]

Facts about Aging

The overall difference in life expectancy at birth in the United States is about 7 years (i.e.72 for men vs. 79 for women); and at every age women, on average, can expect to live longer than men. Interestingly, older women are more likely to suffer from debilitating illnesses than men. However, this difference seems to reflect the fact that women typically have less wealth and education than men - two factors that are associated with shorter life expectancies for both sexes. When the effects of poverty and education are removed in the relevant statistical analyses, these sex differences in rates of disability disappear.
The elderly generally show very high interest in associating with friends and close family members. What they show less interest in than younger adults is the expansion of their social networks to make new friends.
About one-third of problem drinkers develop their alcohol abuse problem lat