首页
登录
职称英语
Fire can help people in many ways. But it can be very dangerous. Fire can he
Fire can help people in many ways. But it can be very dangerous. Fire can he
游客
2024-01-19
63
管理
问题
Fire can help people in many ways. But it can be very dangerous. Fire can heat water, warm houses, give light and cook. But fire can burn things, too. It can bum trees, houses, animals or people. Sometimes big fires can burn forests.
Nobody knows for sure how people began to use fire. But there are many interesting stories about the first time a man or a woman started a fire. One story from Australia tells about a man very, very long time ago. He went up to the sun by a rope (绳子) and brought fire down.
Today people know how to make a fire with matches (火柴) . Children sometimes like to play with them. But matches can be very dangerous. One match can bum a piece of paper and then it might bum a house. A small fire can become a big fire very fast. Fire kills many people every year. So you must be careful with matches. You should also learn to put out fires. (80) Fires need oxygen(氧气). Without oxygen they will die. Cover a fire with water, sand, or sometimes with your coat. This keeps the air away from a fire and kills it. Be careful with fire, and it will help you. Be careless with fire, and it will bum you. [br] When you are going to put out a fire, you
选项
A、must be careful
B、should keep air away from it
C、must know it is dangerous
D、should cover it with water
答案
B
解析
事实细节题。根据文章第三段的第九、十、十一句,氧气是助燃的,灭火要隔绝空气中的氧气,所以选B。
转载请注明原文地址:http://tihaiku.com/zcyy/3377224.html
相关试题推荐
[originaltext] (5)Morethan100000peopleayearinJapanleavetheirjobst
[originaltext] (22)Stressisaverynormalpartoflife.Mostpeoplefeelstr
[originaltext] Atleast10peoplehavediedintheAmericanstateofTexasaft
[originaltext] Atleast10peoplehavediedintheAmericanstateofTexasaft
[originaltext] Whilesomepeopleseemedtobeblessedwithbeautifulandexpre
[originaltext] Likelotsofpeople,IneverthoughtI’dbeateacherwhenIwa
[originaltext] Likelotsofpeople,IneverthoughtI’dbeateacherwhenIwa
[originaltext] Likelotsofpeople,IneverthoughtI’dbeateacherwhenIwa
[originaltext] About5000yearsago,theEgyptiansandotherpeopleintheNe
[originaltext] About5000yearsago,theEgyptiansandotherpeopleintheNe
随机试题
Atraintravelingataspeedof80mphentersatunnelthatis0.5mileslong.
[originaltext]W:Hi.Howcanwehelpyoutoday?M:Yeah.I’dliketogetmyhai
患者近日外出感寒,现症见发热而欲近衣,形寒怯冷,四肢不温,腰膝酸软,纳少便溏,面
Whenateachersays“Whatdoyoumeanby
共用题干 第二篇DancingintheStreetsIfthere
社会对教育所要造就的社会个体的质量规格的总的设想或规定是()。 A.教育目标
本题考查电信业务许可管理。颁发电信业务许可证是电信行政管理机关的一项具体行为,属
工程项目建设过程中发生下列情形时,不能申请行政复议的是()。A.建设单位压
运营商之间应为各自的用户通信提供保障,应保证自己的用户能够顺利地与其他运营商的用
尿路感染的易感因素不包括A.长期大量应用免疫抑制剂 B.合并重度尿路梗阻 C
最新回复
(
0
)