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发布时间:2023-12-20 01:10:53

[单项选择]Passage Three
Immigrants are consumers as well as producers, so they create jobs as well as taking them. And the work they do need not be at the expense of native workers. Immigrants often hold jobs that natives are unwilling to accept at any feasible wage.
Also, immigrants sometimes help to keep industries viable (能存活的) that would otherwise disappear altogether, causing employment to fall. This was the conclusion of a study of the Los Angeles garment industry in the 1970s and 1980s. And when immigrants working for low wages do put downward pressure on natives’ wages, they may raise the (real) wages of natives in general by keeping prices lower than they otherwise would be.
In theory, then, the net effect of immigration on native wages is uncertain. Unfortunately, most of the empirical (经验主义的) research on whether immigrants make natives
A. they only take jobs created by immigrants
B. they often hold jobs that natives don’t accept
C. they do not put downward pressure on natives’ wages
D. they are unemployed most of the time

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[单项选择]Passage Three
Immigrants are consumers as well as producers, so they create jobs as well as taking them. And the work they do need not be at the expense of native workers. Immigrants often hold jobs that natives are unwilling to accept at any feasible wage.
Also, immigrants sometimes help to keep industries viable (能存活的) that would otherwise disappear altogether, causing employment to fall. This was the conclusion of a study of the Los Angeles garment industry in the 1970s and 1980s. And when immigrants working for low wages do put downward pressure on natives’ wages, they may raise the (real) wages of natives in general by keeping prices lower than they otherwise would be.
In theory, then, the net effect of immigration on native wages is uncertain. Unfortunately, most of the empirical (经验主义的) research on whether immigrants make natives
A. sometimes help to maintain the existence of some industries
B. sometimes cause employment to fall
C. may lower the wages of natives in general
D. may help promote inflation
[单项选择]Passage Three
In 1998, consumers could purchase virtually anything over the Internet. Books, compact discs, and even stocks were available from World Wide Web sites that seemed to spring up almost daily. A few years earlier, some people had predicted that consumers accustomed to shopping in stores would be reluctant to buy things that they could not see or touch in person. For a growing number of time-starved consumers, however, shopping from their home computer was proved to be a convenient alternative to driving to the store.
A research estimated that in 1998 US consumers would purchase $ 7.3 billion of goods over the Internet, double the 1997 total. Finding a bargain was getting easier owing to the rise of online auctions and Web sites that did comparison shopping on the Internet for the best deal.
For all the consumer interest, reta
A. Consumers are reluctant to buy things on the Internet.
B. Consumers are too busy to buy things on the Internet.
C. Internet retailing is a profitable business.
D. More and more consumers prefer Internet shopping.
[单项选择]Passage Three
A. Keeping away from the lonely person
B. Offering a hand to the lonely person.
C. Raising the lonely person’s daily emotion.
D. Developing the lonely person’s trust in others.

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