Myers Squibb and Gilead Sciences have combined many H.I.V. drugs into a single pill Sometimes the best medicine is more than one kind of medicine. Malaria, tuberculosis and H.I.V./AIDS,2 for example, are all treated with ____1____ of drugs. But that can mean a lot of pills to take. It would be ____2____ if drug companies combined all the medicines into a single pill, taken just once a day.

Now, two companies say they have done that for people just ____3____ treatment for H.I.V., the virus that causes AIDS. The companies are Bristol-Myers Squibb and Gilead Sciences. They have ____4____ a single pill that combines three drugs currently on the market.3 Bristol-Myers Squibb sells one of them ____5____ the name of Sustiva.4 Gilead combined the ____6____, Emtriva and Viread, into a single pill in two thousand four.

Combining drugs involves more than ____7____ issues. It also involves issues of competition ____8____ the drugs are made by different companies. The new once-daily pill is the result of ____9____ is described as the first joint venture agreement of its kind in the treatment of H.I.V.

In January the New England Journal of Medicine5 published a study of the new pill. Researchers compared its ____10____ to6 that of the widely used combination of Sustiva and Combivir. Combivir ____11____ two drugs, AZT7 and 3TC.8 The researchers say that after one year of treatment, the new pill suppressed H.I.V. levels in more patients and with ____12____ side effects.9 Gilead paid for the study. Professor Joel Gallant at the Johns Hopkins School of Medicine in Baltimore, Maryland, led the research. He is a paid adviser to Gilead and Bristol-Meyers Squibb as well as the maker of Combivir, GlaxoSmithKline.

Glaxo Smith Kline reacted ____13____ the findings by saying that a single study is of limited value. It says the effectiveness of Combivir has been shown in each of more than fifty studies.

The price of the new once-daily pill has not been announced. But Gilead and Bristol-Myers Squibb say they will provide it at reduced cost to developing countries. They plan in the next few months to ask the United States Food and Drug Administration10 to ____14____ the new pill.

There are limits to who could take it because of the different drugs it contains. For example, ____15____ women are told not to take Sustiva because of the risk of birth disorders.11 Experts say more than forty million people around the world are living with H.I.V.

練習(xí)：

1. A) conservation B) cooperation C) combinations D) considerations

2. A) simpler B) more complex C) more meaningless D) more troublesome

3. A) starting B) stopping C) ending D) discontinuing

4. A) analyzed B) examined C) explored D) developed

5. A) before B) after C) under D) above

6. A) one B) ones C) other D) others

7. A) social B) technical C) personal D) historical

8. A) if B) as if C) though D) as though

9. A) that B) which C) what D) whatever

10. A) size B) shape C) appearance D) effectiveness

11. A) excludes B) contains C) looks like D) tastes of

12. A) few B) fewer C) many D) more

13. A) for B) with C) to D) into

14. A) prove B) disprove C) improve D) approve

15. A) weak B) strong C) elder D) pregnant

答案及解析：

1.D.keep us alive使我們活下去。

2.B.rich in …富含……

3.A.conducted by…由。。主持。

4.B.從主語“研究”判斷，空格處(謂語)的搭配詞義應(yīng)該是“結(jié)論”。

5.B.key to …對。。來說是關(guān)鍵。

6.C.A和C是詞義相對的一組詞，重點考察；而“身體活動”符合文章主題。

7.D.空格處需要名詞。

8.C.fat是不可數(shù)名詞，且從句意上看 less合適。

9.B.cut down on是減少。

10.C.從空格所在的使用結(jié)構(gòu)排除B和D，再用排除法借助句意關(guān)系排除A。

11.B.空格處需要副詞，句意上選擇“每天”。

12.D.“營養(yǎng)”是不可數(shù)名詞，“卡里拉(熱量單位)”是可數(shù)名詞，所以排除A和C。而for在這里是表示關(guān)聯(lián)或聯(lián)系 。 如： took two steps back for every step forward.(每前進一步向后退兩步)

13.A.over 50是“50歲以上”。

14.C.空格處需要謂語，age是“變老”。

15.B.calories 是可數(shù)名詞，且從句意看“年紀(jì)越大吃的越少”合適。

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（責(zé)任編輯：vstara）

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