[外语类试卷]专业英语四级(阅读)模拟试卷2(无答案).doc
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1、专业英语四级(阅读)模拟试卷 2(无答案)0 When a doctor determines your risk for heart disease, he or she might look at your weight and blood pressure. But soon, they may also look at your neck. Independent of other factors, the width of your neck may play a role in determining your heart disease risk, according to re
2、searchers with the National Heart, Lung and Blood Institutes Framingham Heart Study, who presented their data Wednesday at a meeting of the American Heart Association in Orlando, Fla.“ Its very interesting that neck circumference was associated with(higher measures of)heart disease risk, “ said Dr.
3、Vijay Nambi, a cardiologist at the Baylor College of Medicine, who was not involved with the research. He noted that if the results of the preliminary research hold up after further study, it could provide a novel approach in determining a patients risk. “We normally end up struggling with trying to
4、 find out what are the best measures of obesity and fat?“ said Nambi.Since this is the first presentation of the data, Sarah Rosner Preis, a postdoctoral fellow in NHLBI and the studys lead author, noted that the findings are preliminary. Her findings were that a wider neck was associated with riski
5、er levels of other measurements for heart diseasesuch as higher systolic blood pressure and lower “ good“ HDL cholesterolbut not heart disease itself. Still, the connection could be an important one if the finding is borne out in future research. And if true, heart disease would join a list of other
6、 diseases linked to a thicker neck. “To our knowledge, there has been no study that has specifically examined the association between neck circumference and risk of heart disease, “ she said. “ Prior studies have suggested that neck circumference may be associated with diabetes, insulin resistance a
7、nd hypertension. “But even if a thicker neck turns out to be a sign of an at-risk heart, Nambi said, that might not mean that measuring your neck alone will ever be a conclusive test that lets a doctor determine heart disease risk. He noted that even now, there is some correlation between waist-to-h
8、ip ratio and obesity and heart disease, but cholesterol level and blood pressure remain the measurements of choice in determining heart risk. The reason is that there are numeric goals for cholesterol and blood pressure, but there is not as simple a numeric target for weight loss. Similarly, he note
9、d, more research would be needed to determine how the circumference of the neck affects heart disease risk in order for the measurement to become useful in the clinic.Ultimately, said Nambi, research is needed to determine whether the neck fat causes heart disease or if it is just a sign of risks ca
10、used by something else. And ultimately, obsessing about your collar size may not be the key to a healthy heart. “ When you lose weight from one source, youre going to lose fat all over your body, “ he said. “Having a healthy lifestyle, several studies have shown thats the best you can do to improve
11、your(heart health)profile.1 From this passage, what can we learn about Preis?(A)She did the study together with Nambi.(B) She is a doctor in NHLBI.(C) She did the study under the lead of others.(D)She hasnt presented the data ever before.2 According to Nambi, which of the following is CORRECT?(A)A n
12、ew way of determining heart disease has been proved.(B) Its clear whats the most efficient way to check overweight.(C) Just by measuring ones neck, a doctor will confirm heart disease.(D)A healthy lifestyle will make a difference on your heart health.3 Nambi can be described as_.(A)creative and conc
13、eited(B) ambitious and outgoing(C) conservative and earnest(D)pessimistic and moody4 Which of the following can best serve as the title of the passage?(A)A Possible Approach to Checking Heart Disease(B) The Risk of Heart Disease(C) The Relation Between Weight and Blood Pressure(D)How to Improve Your
14、 Heart Health4 Were always being told by the Department of Health to eat five portions of fruit and vegetables a day. But its not clear where the evidence for this comes from and a large study by the European Prospective Investigation Into Cancer and Nutrition(Epic)two years ago of the dietary intak
15、e of more than 400, 000 people found only a weak link between eating fruit and vegetables and a reduction in overall cancer risk. Theres no evidence it reduces breast or prostate cancer.Even so, how could anyone argue against eating more fruit and vegetables? Well, it depends what fruit youre eating
16、. A review article in the Canadian Medical Association Journal warns that a chemical in grapefruits can interact fatally with certain medicines. Even apple juice, the staple of many breakfast tables, may reduce our absorption of some drugs. Parents also often think fruit juice is a healthy alternati
17、ve to soda drinks but juices contain sugar and calories tooas much as a glass of Coke(160 calories)so should be drunk in moderation.Grapefruit has also been linked to an increase in breast cancer. A study in the British Journal of Cancer(BJC)of 500, 000 post-menopausal women found that eating a quar
18、ter of the fruit a day increased the risk by 30% .There is one good reason for not eating grapefruitsthey taste sour. But they are unlikely to increase your risk of breast cancer; further research in the BJC showed no increase of breast cancer in pre-or post-menopausal women who tuck into grapefruit
19、s or drink juice.Grapefruit contains a type of chemical called furanocoumarin(also found in Seville oranges and limes but not Valencia or other sweet oranges), which, by inhibiting the enzyme CYP3A4, stops the breakdown of some prescription drugs. So the concentrations of these drugs rise and can ha
20、ve serious side-effects, including kidney damage, heart block(where no electrical impulses pass through the heart and it can stop beating), and deep vein thrombosis(which occurred when an oral contraceptive was taken by a woman who also ate grapefruit three days in a row).Patient information leaflet
21、s should tell you what foods to avoid with which drugs. If in doubt, ask your doctor. So you dont need to eat less fruit, and may still need to eat more. Another paper from the Epic study found a 22% reduction in deaths from heart attacks in people who ate eight portions of fruit and vegetables a da
22、y compared to those who ate three or fewer. The way the study is designed, however, means that it can only suggest a linkit cant prove one.5 Epic conducted a research two years ago to_.(A)prove that people should eat five portions of fruit a day(B) find a way to reduce the overall cancer risk(C) mak
23、e sure the right amount of fruit eaten every day(D)investigate the relation between eating fruit and reducing cancer risk6 In parents opinion, fruit juice_.(A)should not be drunk with drugs(B) should be healthier than soda drinks(C) may also cause weight gain(D)could be drunk as much as the child li
24、ke7 The result of the further study in the BJC was that eating_.(A)fruit could reduce breast or prostate cancer risk(B) one fourth of grapefruit each day increased breast cancer risk(C) grapefruits didnt increase breast cancer risk(D)more fruits reduced the deaths from heart attack8 The effect of th
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