大学英语四级选词填空单项训练+答案Word文档下载推荐.docx

1、We have come a long way from that first _55_ carriage because of the cooperative efforts of many people in the last century. It will be interesting to see what the future holds for the automobile. We have already seen signs of the use of solar energy in this area. As long as man has a brain, the fut

2、ure of the automobile is _56_. A） backbone F） enjoyed K） definiteB） infinite G） horseless L） developedC） further H） developing M） farther D） background I） opportunities N） impressedE） led J） snowball O） pace（2） A college education is an investment in the future. But it can be a 47 one. The College B

3、oard 48 that the costs at a four-year public college in the United States increased 10% this past school year. That was less than the 13% increase the year before, but still much higher than the inflation 49 Public colleges and universities still cost a lot less than private ones. Financial aid ofte

4、n helps. But financial experts 50 parents to start college savings plans when their child is Still very young. All fifty states and the District of Columbia 51 what are called 5-29 plans. These plans are named after the part of the federal tax law that created them in 1996. States use private invest

5、ment companies to operate the 52 of the programs. Every state has its own rules 53 5-29 plans. Some of the plans are 54 of state taxes. And all are not required to pay federal taxes. However, the government could start to tax withdrawals in 2011 if Congress does not change the law. 5-29 plans includ

6、e investment accounts that increase or decrease in value with the investments they contain. Families must decide how 55 they want to put money into stocks, or other investments. Another kind of 5-29 plan lets parents begin to pay for their childs education in 56 and long before their child starts co

7、llege. This kind of savings program is called a prepaid tuition plan. The money goes into an account to pay for an education at a public college or university in the familys home state.A） aggressively F） consumes K） freeB） estimates G） costly L） majorityC） offer H） decline M） advanceD） automatically

8、 I） advise N） governingE） rate J） capable O） general（3） There is progress toward a possible treatment for lung diseases such as SARS （severe acute respiratory syndrome）. Researchers have learned more about how the SARS virus works: it 47 with a system in the body that uses enzymes （酶） to control blo

9、od pressure and fluid balance. Scientists say the virus 48 to an enzyme known as ACE-two. The virus blocks the enzyme, permitting fluid to enter the lungs.A team from Europe and Asia reported the 49 in Nature Medicine. Doctor Josef Penninger of the Institute of Molecular Biotechnology in the Austria

10、n Academy of Sciences was the 50 writer of the report. The discovery could lead to a new 51 of treating not just SARS but also other diseases that can cause lung failure. These include avian flu （禽流感） and influenza in humans. The first 52 of SARS were discovered in Guangdong province, in southern Ch

11、ina, in November of 2002. SARS was not 53 as a worldwide threat until March of 2003. The disease spread to 26 countries, most of them in the Asia-Pacific area. An estimated 8, 000 people had SARS. More than 770 of them died, or about 10% , a 54 high rate.The World Health Organization warned people n

12、ot to travel to 55 areas. The 56 hurt international travel and business. The WHO says the disease stopped spreading by July of 2003. As a result of SARS, the health agency got new powers to act before a government officially announces a crisis.A） means F） associates K） optimistically B） alternative

13、G） major L） identifiedC ） attaches H） awful M） interferesD） crisis I） relatively N） distributedE） cases J） findings O） affected （4） To call something “marginal” means it is not very good. Farmers have their own way to 47 marginal land: It is the last to be planted under good conditions, and has the

14、48 to be avoided under poor conditions. Low 49 soil is not the only reason land could be considered marginal. It might be in an area where rainfall is 50 or where a hillside might rise too steeply. There are uses for marginal land, however. Most often it is used as grassland. Grasses provide excelle

15、nt 51 for grazing （吃草） animals like cattle, sheep and goats. Grass seed can be bought from a foreign supplier or 52 grasses can be used. However, using marginal land for grazing is not a simple issue. There is a 53 of overgrazing. Cattle can damage the crops by eating down to the roots. Also, the we

16、ight of the animals crushes the soil and can make it too hard for growing. A（n） 54 way to reduce the harm is to move animals from one field to another. This method is known as rotational grazing （循环放牧） which is extremely important for marginal land. Another use for marginal land is for tree crops. S

17、tudies have 55 that the white pine and loblolly pine （火炬松） are two kinds of trees that grow well on such land. They grow fast and provide good quality wood. Another tree is the poplar （白杨 ）, found in many parts of the world. Failure to take the care needed to protect marginal lands can make a bad si

18、tuation worse. But good planning can 56 a marginal resource into a highly productive one.A） feed F） define K） nativeB） priority G） adequate L） revealedC） transplant H） transform M） prejudiceD） effective I） discouraging N） hazardE） limited J ） quality O） recovered（5） China is casting such a huge shad

19、ow on the United States that many Americans are trying hard to learn the Chinese language with an effort to keep their competitive edge. Interest in learning Chinese among American youth and their parents has grown 47 in the past five years, said Vivien Stewart, vice president at the Asia Society, a

20、 US group trying to bridge the 48 between Americans and the peoples of Asia and the Pacific. Chinas rapid progress is driving the interest to 49 the language, experts say. The Chinese rich cultural traditions and 50 economy mean that it is now essential for all of our students to be better prepared

21、to engage them and seize opportunities together, said Michael Levine, Asia Society s executive director of education. A 2004 College Board survey found that 2,400 high schools-an 51 number-would be interested in 52 the Advanced Placement （AP） courses in Chinese language and culture when the courses

22、become available in 2006. China, the world s most populous （ 人口稠密的） nation, is 53 to the United States because it is a leading trader, consumer and investor. It has 54 the United States as the worlds largest consumer and could become the second largest economy in the world, in the next two to three

23、decades. Even though the US State Department has regarded the Chinese language extremely important to national prosperity , the 55 conditions to support recruitment of students and teachers as well as the growth of high quality programs is 56 inadequate, an Asia Society study says. A） thriving F） re

24、placed K） gapB） automatically G） pursue L） scarcelyC） dramatically H） request M） currentD） important I） incredible N） offeringE） regained J） efficient O） discouragingly（6） Can money buy happiness Yes, 47 the authors of a new study-but only to a point.Psychology has shown that richer people generally

25、 rank the overall quality of their lives more 48 than poorer people do. At the same time, their actual happiness seems to be 49 less by their ability to buy more than by being able to keep up with those with comparable resources in their own age group.Our findings point to the possibility that, rath

26、er than promoting overall happiness, continued income growth could 50 an ongoing consumption race where people have to consume more and more, just to maintain a 51 level of happiness, writes Glenn Firebaugh of Pennsylvania State University. The study was 52 at the American Sociological Associations 100th Annual Meeting. Whether the rich are happier as a whole than their less 53 fellows is becoming an increasingly hot topic for debate. Recent years have 54 many writings on the science of happiness. Richer people are happier because money can help purchase goods and service