单项选择题

Questions 11-13 are based on a talk about World AIDS Day.

World AIDS Day is a day to（）

A.consider the treatment of individuals with the AIDS virus
B.show the importance of the AIDS Association
C.call on doctors to place more importance on AIDS patients
D.celebrate the achievements in the control of AIDS

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单项选择题
Enbrel as recommended by FDA advisory committee（）

A．could be a substitute for methotrexate in the near future.
B．might bring hope to rheumatoid arthritis patients.
C．should be administered to all rheumatoid arthritis patients alike.
D．would distinguish itself for its cancer-killing effect.
单项选择题
In the first stage of saving for retirement, people can take an aggressive investment strategy because（）

A．they have a long-term regular savings plan in view.
B．they can well stand losses that might occur.
C．there is no risk in long-term investment.
D．chances can balance possible risks.
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