Cold-Water Winner At 40°F，water is so cold that most people would freeze.But champion swimmer Lynne Cox is not like most people.She became the first person to swim from the Bering Strait island of Little Diomede in Alaska to Big Diomede in Russia.Cox baffled（難住） scientists who didn't think the swim was possible.
Cox's Advantages
Most people would freeze to death in such cold water，but Lynne Cox can tolerate（忍受） cold water temperatures.She has trained her body to work in the correct way in very cold conditions.Body structure（結(jié)構(gòu)） also helps Cox stay warm.Compared to most people，Cox has a very even layer of fat（均勻的脂肪層）.This fat layer acts as natural insulation（絕緣）.
From Cold to Colder
After the Diomedes challenge，Cox headed south-way south!She wanted to be the first person to swim a mile in Antarctica."The marine mammals（海洋哺乳動物） in Antarctica all have body fat to stay warm，" Cox said before the swim. "Their blubber（多余的脂肪） is very dense（稠密的），though mine will be more like a cotton sweater.But I'm not going to be in as long as they are." Her natural insulation helped her stay in for 25 minutes；long enough to swim 1.22 miles where no human had ever swum before.
（1）What information is included under the sub-heading（副標(biāo)題） "From Cold to Colder"？ CC
A．details about Cox's unusual body structure
B．facts about Cox's swim in the Bering Strait
C．information about Cox's swim in Antarctica
（2）According to the map and passage，Big Diomede is AA.
A．part of Russia
B．part of the United States
C．off the coast of Antarctica
（3）According to her quote（引述），Cox thinks she can swim in very cold water because she CC.
A．is extremely strong
B．has very thick skin
C．has body fat that acts like a sweater
（4）Based on（基于） the map and passage，Cox's Bering Strait swim went mainly from CC.
A．east to west
B．west to east
C．north to south
（5）If someone wanted to recreate Cox's swim in Antarctica，what information is included in the passage that would be important to know？ BB
A．the temperature of the water
B．a(chǎn) very even layer of fat that Cox had
C．where Cox got into the water and out of the water
【答案】C；A；C；C；B
【解答】
【點(diǎn)評】
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發(fā)布：2024/5/17 8:0:8組卷：4引用：1難度：0.5
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