单项选择题
Questions 19 to 22 are based on the passage you have just heard.
What’s the percentage of interviewees quite often download music from the Internet
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A.56.5 %.
B.53.5%.
C.55.1%.
D.10.4%.
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单项选择题
How long is the library open on Saturdays
A.8 hours.
B.12 hours.
C.10 hours.
D.16 hours.
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单项选择题
According to the passage, which of the following is not true
A.If the genes can be found, scientists can study many new ways to cure illnesses.
B.The United States began genetic research early in the 19th century.
C.Many medical companies show great interest in drawing the human genome map.
D.The scientists have made great progress in connecting some genes with the cancers.
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