【考研类试卷】考研英语(阅读)-试卷141及答案解析.doc
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1、考研英语(阅读)-试卷 141 及答案解析(总分:60.00,做题时间:90 分钟)一、Reading Comprehensio(总题数:6,分数:60.00)1.Section II Reading Comprehension(分数:10.00)_2.Part ADirections: Read the following four texts. Answer the questions below each text by choosing A, B, C or D.(分数:10.00)_Taking a multivitamin around the time of conception
2、 may help women lower their risk of delivering low-birth-weight babies, a new research shows. The study, one of the first to look at multivitamin use immediately before and after conception, strengthens the notion that nutritional deficiencies may increase the risk of birth complications. Still, the
3、 researchers cautioned that it was too soon to recommend multivitamins for women who are contemplating pregnancy or already expecting. While some studies have suggested benefits, others have found that women who eat a healthy diet have no need for multivitamins, and that vitamins may even do some ha
4、rm, especially when their use is continued late into a pregnancy. The study, published in the September issue of The American Journal of Clinical Nutrition, analyzed data on nearly 36,000 Danish women enrolled in a national birth registry. The scientists who carried out the research found that a lar
5、ge share of the womenabout 60 percent had been taking multivitamins in the four weeks before and eight weeks after the last menstrual period. After adjusting for a number of risk factors, like smoking, weight and the age of the mother, the study found that women who took a daily multivitamin and wer
6、e of normal weight had a nearly 20 percent lower chance of delivering a preterm baby, compared with those who did not take a daily multivitamin. Women who were overweight did not see the same benefit, though it was unclear why. In 2004, a study by scientists at Emory University and the Centers for D
7、isease Control and Prevention found that taking daily multivitamins was a widespread practice among expectant mothers in the United States. Up to 78 percent of pregnant women reported taking multivitamins, the study found, compared with only 47 percent of women who were not pregnant. Doctors have lo
8、ng encouraged pregnant women and those contemplating pregnancy to take folic acida B vitamindaily to help prevent neural tube defects. Folic acid is the synthetic form of folate, a member of the family of B vitamins that is involved with DNA synthesis and DNA methylation. Because of these crucial fu
9、nctions, folate plays important roles in fetal development and nerve tissue health. And since the late 1990s, the government has also required food makers to add the vitamin to many grain products, including flour and breads. The authors of the latest study suggested that there could be other nutrie
10、nts in multivitamins besides folic acid that help reduce the risk of birth complications. But they also said that more, research was needed, and that they were not recommending that women trying to conceive should start a daily multivitamin regimen.(分数:10.00)(1).The main idea of the passage is that_
11、.(分数:2.00)A.taking a multivitamin around the time of conception may help women lower their risk of delivering low birth-weight babiesB.women who took a daily multivitamin had a nearly 20 percent lower chance of delivering a preterm babyC.women trying to conceive should start a daily multivitamin reg
12、imenD.a new research strengthens the notion that taking multivitamins may decrease the risk of birth complications(2).According to Paragraph 2, which one of the followings is not a reason for not recommending multivitamins to pregnant women?(分数:2.00)A.women who eat a healthy diet have no need for mu
13、ltivitaminsB.taking multivitamins may increase the risk of birth complicationsC.vitamins may even do some harm for pregnant womenD.vitamins may especially harm pregnant women during late pregnancy(3).According to Paragraph 3, the factor combined with taking multivitamins to decide women“s chance of
14、delivering a preterm baby is_.(分数:2.00)A.smokingB.weightC.age of the motherD.last menstrual period(4).It can be inferred from the fourth paragraph that_.(分数:2.00)A.taking daily multivitamins is not as common a practice among women who are not pregnant as among pregnant women in the United StatesB.pr
15、egnant women consider taking multivitamin as the most important way to guarantee their nutrition intakeC.women who are not pregnant do not think taking multivitamins can reduce the risk of birth complicationsD.pregnant women in the United States believe that taking multivitamins can reduce the risk
16、of birth complications(5).Folate plays important roles in_.(分数:2.00)A.DNA synthesis and DNA methylationB.lowering the chance of delivering a preterm babyC.fetal development and nerve tissue healthD.avoiding vitamin B deficiencyThe job recovery could perhaps best be described as modest , and Friday “
17、 s jobs report for May further solidified that description. U. S. employers added 175,000 new jobs last montha strong showing, but only moderately so. And from the perspective of a central banker, that might be welcome news. An employment report that showed too big of a spike in job creation could s
18、pook investors, even as it signals a healthy economy, says Brett Wander, chief investment officer in fixed income at Charles Schwab Investment Management. “There“s some concernamong investorsthat in turnFederal Reserve Chairman BenBernanke“s going to take the punch bowl away. Then it may be a very s
19、hortlived party. He wants a long sustained jobs growth,“ says Wander. That “punch howl“ is the Fed“s $85 billion of monthly purchases of bonds and mortgage backed securities, known as QE3. While Bernanke has mentioned the possibility of tapering in coming months. he has also said he believes sustain
20、ed and substantial job market improvement will be a prerequisite for dialing back the program. Markets have been watching closely for any signs of when that might be. Those bond buys have been keeping interest rates very low. However, even Bernanke“s mention of possible future tapering in a congress
21、ional testimony last month sent bond yields spiking. If a job report comes in too strongly, says Wander, it will trigger a bond sell-off, sending bond yields upward. In other words, there is a scenario in which a supremely positive jobs report could, ironically, hurt the economy. “It“s those low yie
22、lds that are arguably stimulating the economy,“ says Wander. For example, low bond yields mean low mortgage rates, which could inspire more buyers to get into the housing market. Higher interest rates could slow that down. On the other hand, it“s important to remember that low interest rates are not
23、 the Fed“s ultimate goal. Rather, they“re a means to the end of boosting employment. For that reason, it may be that the economic outlook is sunny, whether jobs data is modest or booming. “If you take a bullish viewand we are bullishwe“re kind of in a win-win situation here,“ says Hank Smith, chief
24、investment officer and director at Haverford Trust. “Yes. better data will lead to the fed starting to pull back from its quantitative easing, but better data is something that is desired. So that should be good for corporate earnings, which is the ultimate driver of stock prices. “ In Smith“s opini
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