单项选择题

Which of the following details about the polar bear is NOT true（）

A. Polar bears can’t live without sea ices.
B. There are only 25% of polar bears living on the Arctic.
C. Polar bears are endangered by the global warming.
D. There has been attention to the protection of polar bears.

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单项选择题
What does the woman invite the man to do（）

A. Work with her in "Pepsi".
B. Go to buy a ticket on the "black market".
C. Go to see a movie with her.
D. Sell movie tickets for her friend.
单项选择题
What is the man doing（）

A. Playing computer games.
B. Explaining computer knowledge.
C. Introducing his job.
D. Having an interview.
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