单项选择题

A．Information superhighway.
B．E-commerce.
C．Junk mails.
D．How to send e-mails.
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单项选择题
A．Some species have been extinct since global warming.B．Biologists have known for years declining fish stocks are connected to global warming.C．Global warming has caused the seawater warmer.D．It is more difficult for fish to breathe and survive in warmer oceans caused by global warming.
A．Some species have been extinct since global warming.
B．Biologists have known for years declining fish stocks are connected to global warming.
C．Global warming has caused the seawater warmer.
D．It is more difficult for fish to breathe and survive in warmer oceans caused by global warming.
单项选择题
A．He is a stranger to the stock.B．He likes the stock very much.C．He is confident of his investment.D．He is the student of the woman.
A．He is a stranger to the stock.
B．He likes the stock very much.
C．He is confident of his investment.
D．He is the student of the woman.
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