The difficult case tested the ingenuity of even the most skillful physician.

A.credibility B.commitment C.honesty D.talent

As we can no longer wait for the delivery of our order, we have to （ ）it.

A.postpone B.refuse C.delay D.cancel

The early pioneers had to （ ）many hardships to settle on the new land.

A.go along with B.go back on C.go through D.go into

What’s the one word of advice a well-meaning professional would give to a recent college graduate? China? India! Brazil? How about trade?When the Commerce Department reported last week that the trade deficit in June approached $50 billion, it set off a new round of economic doom saying. Imports, which soared to $200.3 billion in the month, are subtracted in the calculation of gross domestic product. The larger the trade deficit, the smaller the GDP. Should such imbalances continue, pessimists say, they could contribute to slower growth.But there’s another way of looking at the trade data. Over the past two years, the figures on imports and exports seem not to signal a double-dip recession—a renewed decline in the broad level of economic activity in the United States—but an economic expansion.The rising volume of trade—more goods and services shuttling in and out of the United States—is good news for many sectors. Companies engaged in shipping, trucking, rail freight, delivery, and logistics have all been reporting better than expected results. The rising numbers signify growing vitality in foreign markets—when we import more stuff, it puts more cash in the hands of people around the world, and U.S. exports are rising because more foreigners have the ability to buy the things we produce and market. The rising tide of trade is also good news for people who work in trade sensitive businesses, especially those that produce commodities for which global demand sets the price—agricultural goods, mining, metals, oil.And while exports always seem to lag, U.S. companies are becoming more involved in the global economy with each passing month. General Motors sells as many cars in China as in America each month. While that may not do much for imports, it does help GM’s balance sheet and hence makes the Jobs of U.S.-based executives more stable.One great challenge for the U.S. economy is slack domestic consumer demand. Americans are paying down debt, saving more, and spending more carefully. That’s to be expected, given what we’ve been through. But there’s a bigger challenge. Can U.S.-based businesses, large and small, figure out how to get a piece of growing global demand? Unless you want to pick up and move to India or Brazil, or China, the best way to do that is through trade. It may seem obvious, but it’s no longer enough simply to do business with our friends and neighbors here at home.Companies and individuals who don’t have a strategy to export more, or to get more involved in foreign markers, or to play a role in global trade, are shutting themselves out of the lion’s share of economic opportunity in our world.1.How do pessimists interpret the U.S. trade deficit in June?2.What does the author say about the trade data of the past two years?3.Who particularly benefit from the rising volume of trade?4.What is one of the challenges facing the American economy?5.What is the author’s advice to U.S. companies and individuals?

A.It reflects American’s preference for imported goods. B.It signifies a change in American economic structure. C.It is the result of American’s growing focus on domestic market. D.It could lead to slower growth of the national economy.
问题2：
A.It indicates that economic activities in the U.S. have increased B.It shows that U.S. economy is slipping further into recession. C.It signals decreasing domestic demand for goods and services. D.It reflects the fluctuations in the international market.
问题3：
A.People who have expertise in international trade. B.Consumers who favor imported goods and services. C.Producers of agricultural goods and raw materials. D.Retailer dealing in foreign goods and services.
问题4：
A.Competition from overseas. B.People’s reluctance to spend C.Slack trade activities D.Decreasing productivity
问题5：
A.To import more cheap goods from developing countries. B.To move their companies to where labor is cheaper. C.To increase their market share overseas. D.To be alert to fluctuations in foreign markets.

All experts agree that the most important consideration with diet drugs is carefully （ ）the risks and benefits.

A.weighing B.valuing C.evaluating D.distinguishing

s="" hazardous,”="" he="" says.Alan Preece of the University of Bristol, who found last year that microwaves increase reaction times in test subjects, agreed that children's exposure would be greater. "There's a lot less tissue in the way, and the skill is thinner, so children’s heads are considerably closer,” he says.Stewart's report is likely to recommend that the current British safety standards on energy emissions from cell-phones should be cut to the level recommended by the International Commission on Non-Ionizing Radiation Protection, which is one-fifth of the current British limit. “The extra safety factor of five is somewhat arbitrary," says Michael Clark of the National Radiological Protection Board. “ But we accept that it’s difficult for the UK to have different standards from an international body. ”1.Just because it has not been confirmed yet whether mobile phone emissions can harm human tissue, according to the government report, does not mean that （ ）.2.Tattersall argues that it is wise to refrain mobile phone use by children in terms of （ ）.3.On the issue in question, Preece （ ）.4.What is worrisome at present is that the UK （ ）.5.Which of the following can be the best candidate for the title of the passage?'>

Children should avoid using mobile phones for all but essential calls because of possible health effects on young brains. This is one of the expected conclusions of an official government report to be published this week. The report is expected to call for the mobile phone industry to refrain from promoting phone use by children, and to start labeling phones with data on the amount of radiation they emit.The Independent Expert Group on Mobile Phones, chaired by former government chief scientist William Stewart, has spent eight months reviewing existing scientific evidence on all aspects of the health effects of using mobile phones. Its report is believed to conclude that because we don’t fully understand the nonthermal effects of radiation on human tissue, the government should adopt a precautionary approach ,particularly in relation to children.There is currently no evidence that mobile phones harm users or people living near transmitter masts. But some studies show that cell-phones operating at radiation levels within current safety limits do have some sort of biological effect on the brain.John Tattersall, a researcher on the health effects of radiation at the Defense Evaluation and Research Agency’s site at Porton Down, agrees that it might be wise to limit phone use by children. “If you have a developing nervous system, it’s known to be more susceptible to environmental insults,” he says, “so if phones did prove to be hazardous—which they haven’t yet—it would be sensible.”In 1998, Tattersall showed that radiation levels similar to those emitted by mobile phones could alter signals from brain cells in slices of rat brain, “what we’ve found is an effect, but we don’t know if it's hazardous,” he says.Alan Preece of the University of Bristol, who found last year that microwaves increase reaction times in test subjects, agreed that children's exposure would be greater. "There's a lot less tissue in the way, and the skill is thinner, so children’s heads are considerably closer,” he says.Stewart's report is likely to recommend that the current British safety standards on energy emissions from cell-phones should be cut to the level recommended by the International Commission on Non-Ionizing Radiation Protection, which is one-fifth of the current British limit. “The extra safety factor of five is somewhat arbitrary," says Michael Clark of the National Radiological Protection Board. “ But we accept that it’s difficult for the UK to have different standards from an international body. ”1.Just because it has not been confirmed yet whether mobile phone emissions can harm human tissue, according to the government report, does not mean that （ ）.2.Tattersall argues that it is wise to refrain mobile phone use by children in terms of （ ）.3.On the issue in question, Preece （ ）.4.What is w