Part V 短文完成

Text Completion · 20 分

There are three incomplete texts. First, use the choices in the box to complete the phrases. Second, use the completed phrases to fill in the blanks of the text.

Text One

第一步：补全短语

would be difficult to
from its feathers
enabling the bird to
it could

第二步：把短语填回短文

The emperor penguin traps air in its feathers. Not only does this insulate the bird against extreme cold but it also enables it to move two or three times faster than . How? Marine biologists have suggested that it does so by releasing tiny air bubbles . As these bubbles are released, they reduce friction on the surface of the penguin's wings, . Interestingly, engineers have been studying ways to make ships go faster by using bubbles to reduce friction against their hulls (船身). However, researchers acknowledge that further investigation is challenging because "the complexity of penguin' s wings ".

Text Two

第一步：补全短语

the wages of average families
young people to college
the reach of most

第二步：把短语填回短文

Americans A research group in California has released a "national report card on higher education." The report says the price of college has increased more than four hundred percent since 1982. Costs have climbed much faster than other prices— . The group warns that a continuation of these trends would put higher education . And it would mean greater debt for those who do go to college. The report also expresses concern that the United States is losing its leadership in .

Text Three

第一步：补全短语

and understandably
that could be spent
that the companies that want money

第二步：把短语填回短文

Children areaspecial target of advertisers, . Young people are shopping and spending more than ever before. Researchers suggest that children who are highly involved in consumer culture are more prone to childhood depression and anxiety and have worse relationships with their parents. They said: "You cannot totally protect your kids from advertising because it is everywhere. So you can explain to your kids that advertisers have an agenda and . They don't have our best interests in mind." They also suggest that family should watch very little television. You can fill the time with other activities, such as reading and playing games together.