题目内容：
Once-daily pill could simplify HIV treatment 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，for example，are all treated wit____（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．Tile companies are Bristol-Myers Squibb and Gilead Sciences．They have_____（4）a single pill that combines three drugs currently on the market3．Bristol-Myers Squibb sells one of them______（5）the name of Sustiva4．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）to that of the widely used combination of Sustiva and Combivir．Combivir______（11）two drugs，AZT 7 and 3 TC8.The researchers say that after one year of treatment．The new pill suppressed H·I·vI levels in more patients and with______（12）side effects9．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 disorders11．Experts say more than forty million people around the world are living with H．I．V． A．conservation
B．cooperation
C．combinations
D．D .considerations
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