单项选择题
Passage Three
Questions 32 to 35 are based on the passage you have just heard.
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A.0.7 percent.
B.0.9 percent.
C.20 percent.
D.80 percent.
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单项选择题
This passage is mainly about ______.
A.the relationship between dolphins and people
B.the healing power of dolphins
C.dolphins and people’s depression
D.animals and treatment of diseases
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单项选择题
A.beginningB.openingC.operationD.promotion
A.beginning
B.opening
C.operation
D.promotion
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