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
2025-03-04
49
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. 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:https://tihaiku.com/zcyy/3981620.html
相关试题推荐
Stupidpeopleoftenfinditdifficultto________theirprejudices.A、giveinB、g
Doyouknowinsurance(保险)?Buyinginsuranceisameansbywhichpeoplecanp
Doyouknowinsurance(保险)?Buyinginsuranceisameansbywhichpeoplecanp
Doyouknowinsurance(保险)?Buyinginsuranceisameansbywhichpeoplecanp
Doyouknowinsurance(保险)?Buyinginsuranceisameansbywhichpeoplecanp
Doyouknowinsurance(保险)?Buyinginsuranceisameansbywhichpeoplecanp
Doyouknowinsurance(保险)?Buyinginsuranceisameansbywhichpeoplecanp
Bytheendoflastweek,611peoplefrom49countries________toattendthemeeti
Don’trisk______thejobwhichsomanypeoplewant.A、losingB、toloseC、lostD、
Whenwewantto【C1】______otherpeoplewhatwethink,wecandoitnotonlywi
随机试题
Waverlylaughedinalightheartedway."Imean,really,June."Andthenshes
【B1】[br]【B9】A、differentB、localC、cultivationD、traditionalB此题考查定语。从上下文中可知D项
[originaltext]Thetimeisfouro’clock.Therehasbeenaseriousaccide
陈某,女,45岁。眩晕动则加剧,劳累即发,面色淡白,神疲乏力,倦怠懒言,唇甲不华
直接用于收集审计证据的方法是()。A.审计取证基本方法 B.审计取证具
A房地产开发公司(以下简称A)在甲省乙市建设丙住宅小区。丙住宅小区占地40k
女,40岁。肥胖、痤疮、紫纹10年。测血皮质醇增高。不受小剂量地塞米松抑制,但可
计划成本核算体系下,本期发出材料应负担的成本差异应按期(月)分摊结转。()
A.血尿伴膀胱刺激症状 B.血尿伴水肿、高血压 C.血尿伴肾肿块 D.血尿
( )不属于合同价格分析的内容。A.合同所采用的计价方法及合同价格所包括的范围
最新回复
(
0
)