2017年吉林高考英語完型填空專題模擬13

WASHINGTON—Patients with HIV, the virus that causes AIDS, often develop vitamin deficiencies(缺乏). A new study has found that giving these patients a multivitamin with a mineral supplement(補充) helps to fight the disease and slows the disease's progression.

Sub-Saharan Africa has always been the centre of the AIDS. In Botswana, despite aggressive prevention campaigns, one out of every four adults is infected with HIV. Professor Marianna Baum based her latest research there.

Baum recruited almost 900 newly infected adults who had not yet received the anti-AIDS drugs that target the virus.

These adults were then divided into groups that randomly received different combinations of vitamins B, C and E, the mineral selenium(硒) or a placebo(安慰劑).

Most patients with HIV become deficient in these vitamins, which help improve immunity(免疫). Baum said she initially thought the multivitamins alone or selenium alone would be effective in strengthening the immune system, but found that incorrect.

“We were surprised to find that only the combination was effective，” said Baum.

Research shows that when people with HIV receive anti-retroviral drugs (抗逆轉(zhuǎn)錄病毒藥物) shortly after infection, they can remain healthy and are less likely to pass the virus to others. For many countries, however, the cost of these anti-AIDS drugs is still prohibitive.

Baum said the vitamin and mineral combination treatment should help low-income countries better control the virus.

“A simple multivitamin supplementation with selenium provided early in HIV disease can actually slow the HIV disease progression and it is safe. It is low cost and it should be provided very early in HIV infection，” said Baum.

Baum said the supplements are not meant to replace anti-retroviral therapy, but can help those who cannot obtain the drugs.

Dr Anthony Fauci, a world-famous expert on AIDS, disagreed.

“I haven't read the paper, but having taken care of HIV-infected individuals for three decades, I would doubt that vitamins are going to have a major effect on stopping the virus，” said Fauci.

Fauci said vitamin and mineral supplements may make a patient generally healthier, but the only thing that truly works to stop HIV is anti-retroviral treatment.

Baum's study was published in The Journal of the American Medical Association.

1.Where is the passage probably taken?

A.A scientific report.

B.A newspaper.

C.A school textbook.

D.A science fiction.

2.What can we learn from professor Baum's study?

A.It is vitamin deficiencies that may have caused people to develop AIDS.

B. More than one third people in Botswana are diagnosed with HIV disease.

C. Professor Baum divided 900 HIV patients randomly into several groups.

D. Only the combination of vitamin and mineral could slow AIDS' process.

3.Which of the statements is possibly supported by Dr Anthony Fauci?

A.The finding is great news for low-income patients.

B. Vitamins will have a great impact on stopping HIV.

C. Anti-retroviral treatment is effective to stop HIV.

D. Vitamins should be used early in HIV infection.

4.The underlined word “prohibitive” in Paragraph 7 is closest to “________” in meaning.

A.deadly B.costly

C.decreasing D.forbidding

【文章大意】 本文是一篇新聞報道，主要報道了一項科研新發(fā)現(xiàn)，即補充多種維生素和礦物質(zhì)有助于抵抗并延緩艾滋病的惡化。

1.B　推理判斷題。根據(jù)文章的標頭WASHINGTON可推知，本文是一篇來自華盛頓的新聞報道，故選B項。

2.D　推理判斷題。根據(jù)文章的第五段的最后一句“Baum said she initially thought the multivitamins alone or selenium alone would be effective in strengthening the immune system, but found that incorrect.”并結合全文可知，只有維生素和礦物質(zhì)的綜合攝入才能夠延緩艾滋病的惡化，故選D項。

3.C　推理判斷題。根據(jù)文章第七段的第一句“Research shows that when people with HIV receive anti-retroviral drugs (抗逆轉(zhuǎn)錄病毒藥物) shortly after infection, they can remain healthy and are less likely to pass the virus to others.”可推知，抗逆轉(zhuǎn)錄病毒的治療方法對抵抗艾滋病是有效的，故選C項。

4.B　詞義猜測題。根據(jù)文章第七段中however的轉(zhuǎn)折意義可知，盡管抗逆轉(zhuǎn)錄病毒藥物是有效的，但是價格不菲，許多國家的人是用不起的，故選B項。costly昂貴的，價格不菲的。