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閱讀下面的短文，每篇短文后的試題分兩部分，第一部分要求從所給的選項(xiàng)里選出所標(biāo)段落的段落標(biāo)題；第二部分要求根據(jù)文章的內(nèi)容用所給的選項(xiàng)來完成句子。每個(gè)題一分,共計(jì)8分

Ginseng Shows Benefit in Cancer Treatment

1. Flaxseed slowed the growth of prostate tumors in men, while ginseng helped relieve

the fatigue that cancer patients often feel, US researchers reported on Saturday in two of the first scientifically rigorous looks at alternative medicine1.

2. The studies reflect doctors’ efforts to explore the risks and benefits of foods and supplements that are routinely taken by their patients with little scientific proof they help. 2 Americans spend between $ 36 billion and $47 billion a year on complementary and alternative therapies, according to the National Center for Health Statistics3. “Patients are taking these compounds but we need to know if they are doing any good or any harmt4” said Dr. Bruce Cheson of Georgetown University Hospital in Washington, who led a panel on alternative therapies at a meeting of the American Society of Clinica Oncology5.

3. In the flaxseed study, researchers at Duke University Medical Center in North Carolina and colleagues evaluated the seed’s role as a food supplement in 161 men who were scheduled to undergo surgery for prostate cancer. “The growth rate was decreased in the men who got flaxseed,”said Dr. Nancy Davidson, an oncologist at Johns Hopkins University in Baltimore who is president-elect of ASCO. “I think this is fascinating.” Flaxseed is rich in omega-3 fatty acids and lignins, a fiber found on the seed coat. “We were looking at flaxseed because of its unique nutrient profile,” said Wendy Demark-Wahnefried, a researcher in Duke’s School of Nursing, who led the study.

4. Half of the men in the study added 30 grams of flaxseed daily to their diets for about 30 days. Half of the flaxseed group also went on a low-fat diet. After the surgery, the researchers looked at the men’s tumor cells to see how quickly the cancer had multiplied. The cancer ceils in both the flaxseed groups grew about 30 to 40 percent slower than the control group6.

5. But Demark-Wahnefried is not ready to prescribe flaxseed. “It’s a healthy food. It has a lot of vitamins and a lot of fiber. But we can not definitively say at this point you should take flaxseed because it is protective against prostate cancer,” she said, adding that flaxseed now needed to be studied to see if it can prevent prostate cancer.

6. In the ginseng trial, Debra Barton of the Mayo Clinic in Rochester, Minnesota, and colleagues tested three different doses of the herb on patients with a variety of cancers who were expected to live at least six months. Twenty-five percent of patients taking a 1,000-rug dose and twenty-seven percent of patients taking a 2,000-mg dose said their fatigue symptoms were “moderately better” or “much better.” Only 10 percent of those taking a 750-mg dose reported an improvement, which was about the same as the placebo group. Patients in the trial took Wisconsin ginseng from a single crop that was tested for uniform potency. It was powdered and given in a capsule form. “I wouldn’t have predicted this, I have to admit,” Davidson said in an interview. “We might want to test this on a large scale7.”

7. The flaxseed study was funded by the National Institutes of Health8 and the ginseng study was supported by US Public Health Service9 grants.

詞匯：

ginseng/5dVinseN/n．人參 flaxseed/5flAkssi:d/n．亞麻籽 prostate/5prCsteit/adj．前列腺(的) tumo(u)r/5tju:mE(r)/n．(腫)瘤 rigorous/5ri^ErEs/adj.嚴(yán)格的, 嚴(yán)厲的,精密的complementary/kRmplE5mentErI/adj．補(bǔ)充的 therapy/5WerEpi/n．療法，治療 compound/5kCmpaund/n.混合物；化合物；復(fù)合物 panel/ 5pAnl/n．小組;小組討論；(美)(大會(huì)中的)小組委員會(huì) oncology/CN5kClEdVi, Cn-/n．腫瘤學(xué) oncologist/CN5kClEdVi, Cn-/n.腫瘤學(xué)家 president-elect n．當(dāng)選(尚未就職的)總統(tǒng)、主席 lignin/l5li^nin/n．木素，木質(zhì)素 nutrient/5nju:triEnt/adj.有營養(yǎng)的n．營養(yǎng)物 profile/5prEufail/n．側(cè)面，輪廓 prescribe/pris5kraib/v．開處方 fiber/5faibE(r)/( fibre) n．纖維 protective/prE5tektiv/adj.保護(hù)(性)的 dose/dEus/n.．(一次)劑量 fatigue/fE5ti:^/n.疲勞 symptom/5simptEm/n.癥狀 placebo/plE5si:bEu/n．安慰劑，安慰劑治療 potency/`pEJtEnsI/n．藥物的效能和效力

capsule/5kApsju:l/n.膠囊

第1--4題

1. Paragraph 2______.

2. Paragraph 4______.

3. Paragraph 5______.

4. Paragraph 6______.

第1--4題選項(xiàng)

A The Motivation of Flaxseed Study

B The Study on Ginseng Displays Its Good Promise

C The Doctors' Responsibility Led Them to Carry Out These Two Studies

D Ginseng Is As Good to Cancer Patients As Flax seed

E The Methods and Results of the Study on Flax- seed

F A different opinion on the use of flaxseed

第5--8題

5. Doctors in the US wanted to know______.

6. Both studies on flaxseed and ginseng show______.

7. It is the unique nutrient profile of flaxseed______.

8. In the ginseng trial the researchers tested the potency of ginseng______.

第5--8題選項(xiàng)

A that led the researchers in Duke's School of Nursing to study it

B by giving different doses of the herb to patients with different cancers

C whether the foods and supplements patients took every day were good or not

D though both flaxseed and ginseng are all healthy alternative medicines

E that either of them is beneficial to cancer patients

F because we still have to see if flaxseed can prvent prosate caancer

答案與題解：

1．C 本段第一句及最后一句說得很清楚，醫(yī)生必須了解病人所吃的東西究竟有益還是有害。

2．E 本段第一、二句是研究方法，而第三、四句則是研究結(jié)果。

3．F 此段說到，有一位醫(yī)生不愿意將亞麻籽作為藥物開在處方里，因?yàn)樗�認(rèn)為目前還需要繼續(xù)研究，看看它是否能預(yù)防前列腺癌，盡管他也承認(rèn)亞麻籽是健康食品。

4．B 本段第二句說到，服用1000毫克劑量的病人中，25%的人的疲勞癥狀有中度改善，而服用2000毫克的病人中，27%的人的疲勞癥狀大大改善，可見人參有很好的前景。

5．C 本題答案來源于第二段第一句及最后一句。

6．E 本題答案根據(jù)是第四段最后一句及第六段第二句。

7．A 本題答案在第三段最后一句。

8．B 本題答案來源于第六段第一句。