单项选择题

Passage One
Questions 26 to 29 are bused on the passage you have just heard.

A. Skin residents will be removed.
B. Skin residents will go beneath the skin.
C. Resident bacteria will be killed.
D. Other bacteria will move in.
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单项选择题
A. Two brain regions start to work. B. One brain region is associated with emotion. C. One brain region is associated with memory formation. D. Every plot detail is remembered by the brain.
A. Two brain regions start to work.
B. One brain region is associated with emotion.
C. One brain region is associated with memory formation.
D. Every plot detail is remembered by the brain.
填空题
How important is it to find the similarities between the 1918 Spanish flu virus and the Asian avian influenza virus（）
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