Millions of people travel by plane every single day. If you’re planning on be

游客2024-01-23  19

问题    Millions of people travel by plane every single day. If you’re planning on being one of them soon, you might not be looking forward to the【C1】______feeling air travel often leaves you with.
   Besides the airport crowds and stress, traveling at a high altitude has real effects on the body. Although the pressure of the cabin is【C2】______to prevent altitude sickness, you could still【C3】______sleepiness or a headache. The lower oxygen pressure found in an aircraft cabin is【C4】______to that at 6,000-8,000 feet of altitude. A drop in oxygen pressure can cause headaches in certain【C5】______. To help prevent headaches, drink plenty of water, and avoid alcohol and coffee.
   Airplane food might not really be as tasteless as you【C6】______thought. The air you breathe in a plane dries out your mouth and nose, which can affect your sense of taste. Perception of sweet and salty foods dropped by almost 30 percent in a simulation of air travel. However, you can make your taste buds active again by drinking water. A dry mouth may【C7】______taste sensitivity, but taste is restored by drinking fluids.
   Although in-flight infections【C8】______in dry environments like airplanes, your risk of getting sick from an airplane is actually low because of the air【C9】______used. Unless you’re sitting next to someone who is coughing or sneezing, you shouldn’t worry too much about getting sick. However, bacteria have been shown to live on cabin surfaces, so wash your hands【C10】______.
   A) adjusted F) frequently K) reduce
   B) channels G) individuals L) renovated
   C) equivalent H) originally M) smooth
   D) experience I) particular N) thrive
   E) filters J) primarily O) unpleasant [br] 【C2】

选项

答案 A

解析 [语法判断]空格前是系动词is,后面是不定式符号to,因此空格处应填入形容词或者动词的分词形式。[语义判断]空格所在部分指出,机舱的气压______预防高海拔不适。为了乘客的舒适,飞机在飞行时,机舱内的气压不能与外部气压相同,是需要调整的,因此空格处应填入含有“调整”意义的词,故答案为adjusted。
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