单项选择题

Passage One
Questions 26 to 28 are based on the passage you have just heard.

A. To keep the animals under control.
B. To have music for the visitors.
C. To provide the animals with special sound effects of their natural surroundings.
D. To record the conversations of the visitors.
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单项选择题
A. The apartment is too far from the campus.B. The apartment needs a lot of repair work.C. She’s having trouble with the owner of the apartment.D. Her roommate won’t share expenses.
A. The apartment is too far from the campus.
B. The apartment needs a lot of repair work.
C. She’s having trouble with the owner of the apartment.
D. Her roommate won’t share expenses.
填空题
According to the text, what is more difficult to protect in the online shopping（）
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