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ڵ____ȷ𰸡
A A) key
B B) inferior
C C) minor
D D) central
2. All her energies are ________ upon her children and she seems to have little time for anything else.
Aguided
Baimed
Cdirected
Dfocused
3. Ķвϣش2-58⣺




Why wouldn't we get the same response as David Letterman if we recited his comedy routine?
AWe would not bring something extra to the jokes.
BWe would not deliver the jokes the way of Letterman.
COur manner of presentation is not part of an expert delivery.
DWe would not expect ourselves to be a multimillion-dollar talk show host.
4.

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5. In cities with rent control, the city government sets the maximum rent that a landlord can charge for an apartment. Supporters of rent control argue that it protects people who are living in apartments. Their rent cannot increase; therefore, they are not in danger of losing their homes. However, the critics say that after a long time, rent control may have negative effects. Landlords know that they cannot increase their profits. Therefore, they invest in other businesses where they can increase their profits. They do not invest in new buildings which would also be rentcontrolled. As a result, new apartments are not built. Many people who need apartments cannot find any. According to the critics, the end result of rent control is a shortage of apartments in the city.
Some theorists argue that the minimum wage law can cause problems in the same way. The federal government sets the minimum that an employer must pay workers. The minimum helps people who generally look for unskilled, lowpaying jobs. However, if the minimum is high, employers may hire fewer workers. They will replace workers with machinery. The price, which is the wage that employers must pay, increases. Therefore, other things being equal, the number of workers that employers want decreases. Thus, critics claim, an increase in the minimum wage may cause unemployment. Some poor people may find themselves without jobs instead of with jobs at the minimum wage.
Supporters of the minimum wage say that it helps people keep their dignity. Because of the law, workers cannot sell their services for less than the minimum. Furthermore, employers cannot force workers to accept jobs at unfair wages.
Economic theory predicts the results of economic decisions such as decisions about farm production, rent control, and the minimum wage. The predictions may be correct only if other things are equal. Economists do not agree on some of the predictions. They also do not agree on the value of different decisions. Some economists support a particular decision while others criticize it. Economists do agree, however, that there are no simple answers to economic questions.There is the possibility that setting maximum rent may .
Acause a shortage of apartments
Bworry those who rent apartments as homes
Cincrease the profits of landlords
Dencourage landlords to invest in building apartments
6. Why did the Federal Aviation Authority require the black boxes be painted orange or yellow?
ATo distinguish them from the colour of the plan
BTo conform to international standard
CTo make them easily identifiabl
DTo caution people to handle them with car

7. Economists said that the American economy__________(ȫ򾭼øӽܵϵһ)than it had ever been

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8. Directions: For this part, you are allowed 30 minutes to write a composition on the topic China's Population in Different Periods. You should write at least 120 words on the chart and the outline given below: 1. Population growth in different periods.
2. Reasons for the difference in the growth rate.
3. Population control.

9. Should college students fight against the criminality?
1.ѧӦôΪ
2.˵˵Ŀ

10. A letter of invitation
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