首页
登录
职称英语
Mountain climbing is becoming a popular sport, but it is also a【B1】_____ dan
Mountain climbing is becoming a popular sport, but it is also a【B1】_____ dan
游客
2023-09-01
54
管理
问题
Mountain climbing is becoming a popular sport, but it is also a【B1】_____ dangerous one. People can fall; they may also become ill. One of the most common dangers to climbers is altitude sickness, which can affect even very【B2】_____ climbers.
Altitude sickness usually begins when a climber goes above 8,000 or 9,000 feet. The higher one climbs, the less oxygen there is in the air. When people don’t get enough oxygen, they often begin to【B3】_____ for air. They may also feel【B4】_____ and light-headed. Besides these symptoms of altitude sickness, others such as headache and【B5】_____ may also occur. At heights of over 18,000 feet, people may be climbing in a【B6】_____daze (恍惚). This state of mind can have an【B7】_____ effect on their judgment.
A few【B8】_____ can help most climbers avoid altitude sickness. The first is not to go too high too fast. If you climb to 1 0,000 feet, stay at that height for a day or two. 【B9】______. Or if you do climb higher sooner, come back down to a lower height when you sleep. Also, drink plenty of liquids and avoid tobacco and alcohol. 【B10】______. You breathe less when you sleep, so you get less oxygen.
The most important warning is this: if you have severe symptoms and they don’t go away, go down! 【B11】______. [br] 【B8】
选项
答案
precautions
解析
从后面的avoid altitude sickness“避免高原反应”可推知空白处应填入表示“措施”的名词.A few表明应使用复数形式。precautions意为“预防措施”。
转载请注明原文地址:https://tihaiku.com/zcyy/2976643.html
相关试题推荐
Checksarebecomingmorepopularandwillinashortwhile______(代替现金作为人们结账的一种
[originaltext]Adventuretravelisverypopulartodaywithpeopleofallage
[originaltext]Adventuretravelisverypopulartodaywithpeopleofallage
[originaltext]Theterm"cultureshock"hasappearedinthepopularvocabula
Dogsandcats,theworld’smostpopularhousepets,______(每年所消耗的能源比一辆汽车还要多).use
[audioFiles]audio_eusm_j01_330(20099)[/audioFiles]A、Themountains.B、Theseasid
Mountainclimbingisbecomingapopularsport,butitisalsoa【B1】_____dan
Mountainclimbingisbecomingapopularsport,butitisalsoa【B1】_____dan
Mountainclimbingisbecomingapopularsport,butitisalsoa【B1】_____dan
Mountainclimbingisbecomingapopularsport,butitisalsoa【B1】_____dan
随机试题
Inatelephonesurveyofmorethan2,000adults.21%saidtheybelievedthe
Whilebuildingahighwayacrossthedesert,______.A、anundergroundtownwasdis
It’shightimewe______cuttingdowntherainforests.A、stoppedB、hadtostopC、sh
迄今所知最早的较为成熟的文字是( )。A.大篆 B.金文 C.石鼓文 D
A.图1 B.图2 C.图3 D.图4
其他条件相同时,碱性焊条的焊接电流要比酸性焊条小10左右。
图示一受扭杆件,从其上截取出一点的应力状态应为()。
脑的被膜自外向内依次为A.硬脑膜、蛛网膜和软脑膜 B.蛛网膜、硬脑膜和软脑膜
按照借贷记账法的记账规则,借方登记增加额的账户有()A.所有者权益类账户 B.
依据委托监理合同示范文本的规定,监理人可以单方面提出终止合同的情况是()A、委托
最新回复
(
0
)