The condition,called “economy class syndrome(经济舱综合症)”,has caused anxiety among holidaymakers,business people and frequent fliers.But Mr.Gradwell said it is extremely rare,other than in those who have latestage cancer or another medical condition that causes blood clots(凝血块).Flying is safe.Millions of people do it every year,without any issues at all.
1.According to the passage,while on a plane,
.
A.the brain’s performance has nothing to do with the air pressure
B.the brain’s performance will be reduced
C.the passengers can take in enough fresh air to relax
D.it’s dangerous for the pilots as well as passengers
答案 B
解析 细节理解题。从文章第二段第二句可知,飞机上气压低,会令人脑部含氧量降低,减弱思考能力。
2.What advice does Mr.Gradwell give to us?
A.Doing crosswords on a plane can kill time.
B.People might as well try some new tasks on a plane.
C.People should eat less when travelling by plane.
D.Fliers should sit and relax instead of keeping working.
答案 D
解析 细节理解题。根据文章第二段第一句和下文内容可知,Professor David Gradwell建议乘客坐飞机时,应该放松、休息,而非继续工作。
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