B．It is causing the ice to melt faster.

　　C．It is making the effects of global warming in the region worse.

　　D．It is reducing the amount of water in Antarctica.

　　【解析】　细节理解题。从第二段最后一句“This is because the hole in the ozone layer has increased cold winds in Antarctica，making much of the continent surface colder than usual.”可以得出答案。

　　【答案】　A

　　3．What do scientists think is the biggest danger facing Antarctica?

　　A．Rising sea levels.

　　B．Warming sea water temperature.

　　C．Water pollution.

　　D．Growing ice sheets.

　　【解析】　细节理解题。从第四段第一句“The biggest threat to the continent comes from warming seas.”可得出答案。The biggest threat对应the biggest danger。

　　【答案】　B

　　4．Which of the following is TRUE according to the passage?

　　A．Antarctica contains most of the world's fresh water.

　　B．The average temperature has increased by 3 degree centigrade in recent decades.

　　C．Antarctica is currently experiencing the full effects of global warming.

　　D．Ten percent of Antarctica's ice has already been lost.

　　【解析】　细节理解题。(或通过常识亦可判断)，从第五段最后一句“It contains 90% of the world's ice,70% of the world's fresh water.”可得出答案。

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