单项选择题


Questions 19 to 21 are based on the conversation you have just heard.

A．He has finished the first draft.
B．He has just got started.
C．He has finished the outline.
D．He has handed the paper in.
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单项选择题
What does the author tell us about Dr. Granich and his collegues and their trials
A．They use data from some African countries and other poor countries.
B．They want to find out whether the alternative approach can function.
C．The first-line antiretroviral drugs are effective in curing patients.
D．Their study is to let the patients have no symptoms of AIDs.
单项选择题
What does the author want to show us by the figures in paragraph three
A．BRICs play an important role in car industry.
B．BRICs’ car sales hit a record high in 2008.
C．America has been outsold by BRICs.
D．China has been the second-biggest market.
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