更多"Passage two
After 25 years battlin"的相关试题:
[单项选择]Passage two
After 25 years battling the mother of all viruses, have we finally got the measure of HIV Three developments featured in this issue collectively give grounds for optimism that would have been scarcely believable a year ago in the wake of another failed vaccine and continuing problems supplying drugs to all who need them.
Perhaps the most compelling hope lies in the apparent “cure” of a man with HIV who had also developed leukemia. Doctors treated his leukemia with a bone marrow transplant that also vanquished the virus. Now US Company Sangamo Biosciences is hoping to emulate the effect patients being cured with a single shot of gene therapy, instead of taking antiretroviral drugs for life.
Antiretroviral therapy (ART) is itself another reason for optimism. Researchers at the World Health Organization have calculated that HIV could be effectively eradicated in Africa and other hard-hit places using existing drugs. The trick is to test everyone often, and give those who te
A. make a promising transition from antiretroviral medication to gene therapy
B. facilitate the development of effective vaccines for the infection
C. compel people to draw an analogy between AIDS and leukemia
D. would change the way we look at those with AIDS
[填空题]My mother spends about two hours every morning(clean)______the house.
[填空题]After decreasing steadily for two years, profits finally levelled off and began a recovery in 2001.
[填空题]
This product is guaranteed for two years after the date of purchase against defects due to faulty workmanship or materials. The guarantee covers both. Service under guarantee is provided only upon presentation of reasonable evidence (completed guarantee card or purchase receipt) that the date of the claim is within the guarantee period.
The guarantee is not valid if the defect is due to accidental damage, misuse, neglect or unauthorized persons carrying it out in case of alterations or repair.
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For information and in the event of difficulty, please contact the Consumer Relation Desk
[填空题]After the two therapists had misdiagnosed him, the author diagnosed himself.
[单项选择]For one brief moment, after years of fear and loathing, America seemed ready to make peace with the SAT. When the University of California several years ago threatened to treat the test like a bad batch of cafeteria food and tell applicants not to buy it, the College Board junked the bewildering analogy questions (Warthogs are to pigs as politicians are to what), created a writing section (including producing an essay), added tougher math questions and more reading analysis—and had everybody talking about the new-and-improved SAT.
Then the first students to take SAT: The Sequel were seen stumbling out of the testing centers as if they had just run a marathon, and all the happy talks ended. With the three hours and 45 minutes stretching to five hours with breaks and instructions, it got worse. Nobody is sure how, but moisture in some SAT answer sheets caused pencil marks to bleed or fade, producing more than 5,000 tests with the wrong scores. Even after that was fixed, several univ
A. the suggestion that the SAT should be reformed.
B. the idea that the SAT will be improved.
C. the concept that the SAT will be substituted.
D. the belief that the SAT has been improved.
