单项选择题

A. The man is learning how to use a computer.
B. The woman is showing the man how to put page numbers on a document.
C. The man is printing a document.
D. The man is using his computer to do mathematical problems.
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The Bermuda Triangle is in （）.

A. America
B. Pacific Ocean
C. Atlantic Ocean
D. Arctic Ocean
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A. Mice. B. Rats. C. Monkeys. D. A, B and C
A. Mice.
B. Rats.
C. Monkeys.
D. A, B and C
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