单项选择题

Few people in the United States lost their lives because

A．the temperature was still endurable
B．people remained in air-conditioned rooms
C．effective measures had been taken to reduce the hot temperature
D．air-conditioning units sometimes failed to work properly
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单项选择题
What can we infer about the British Isles
A．The temperature there stayed stable.
B．The temperature there declined only a little bit.
C．The temperature there exceeded the hundred mark.
D．The temperature there had been increasing in the two months.
单项选择题
What is implied in the passage
A．In the tropics while animals and plants died of hot temperature people all survived in their caves and cellars.
B．People living near Cairo were not used to humid temperature and began to have breathing problems.
C．When the temperature of the surface waters of the sea rose, the air became damper.
D．People in some latitudes learnt certain skills from animals to cope with hot weather.
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