日日人人_亚洲美女在线视频_av手机在线播放_国产大片aaa_欧美中文日韩_午夜理伦三级

精英家教網 > 高中英語 > 題目詳情

Is oxygen the only gas ________ helps fire burn?

A. that         B. /              C. what           D. it

 

【答案】

A

【解析】略

 

練習冊系列答案
相關習題

科目:高中英語 來源: 題型:

Is oxygen the only gas _______ helps fire burn?

A. that    B. /      C. which   D. it

查看答案和解析>>

科目:高中英語 來源: 題型:閱讀理解

Fire can help people in many ways. But it can also be very harmful. Fire can heat water, warm your houses, give light, and cook food. But fire can burn things too. It can burn 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, old stories about the first time a man or woman started a fire. One story from Australia tells about a man a very, very long time ago. He went up to the sun by a rope and brought fire down.

Today people know how to make a fire with matches. Children sometimes like to play with them. But matches can be very dangerous. One match can burn a piece of paper, and then it might burn a house. A small fire can become a big fire very fast.

Fires kill many people every year. So you must he careful with matches. You should also learn to put out fires. Fires need oxygen. Without oxygen they die. There is oxygen in the air. Cover a fire with water, sand, or in an emergency, with your coat or something else.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 burn you.

8. According to the passage which of the following is true?

A. Where there is oxygen there is fire.

B. It is an Australian who started a fire.

C. We are not sure how people started to use fire.

D. Nobody knows how to make a fire.

9. The reason why children mustn’t play with matches is that ________.

A. they don’t know how to make a fire with matches  B. it is not interesting

C. matches can be dangerous                     D. matches burn paper

10. If you are going to put out a fire, you________.

A. must be careful with matches       B. have to know fires kill many people every year

C. have to cover it with water only       D. should keep air away from it

11. We must be careful with fire, or it ________.

A. can die              B. warms our houses  C. might burn us             D. will help us

12. What is the main idea of the passage?

A. Fire can help people in many ways. B. Fire can be both helpful and harmful.

C. Fire can burn things and people.      D. We must be careful with matches.

查看答案和解析>>

科目:高中英語 來源: 題型:

Is oxygen the only gas _______ helps fire burn?

A. that      B. /     C. which   D. it

查看答案和解析>>

科目:高中英語 來源: 題型:

Is oxygen the only gas _______ helps fire burn?

A. that    B. /    C. which    D. it

 

查看答案和解析>>

同步練習冊答案
主站蜘蛛池模板: 婷婷色综合久久 | 成人精品免费视频 | 一区二区精品视频 | 91在线视频免费播放 | 精品久久一区二区 | 日韩久久一区二区 | 国产一区二区三区免费 | 国产精品久久 | 国产精品免费观看 | 精品国产乱码久久久久久丨区2区 | 日本天天操| 亚洲精品国产福利 | 日韩精品免费在线观看 | 看毛片的网站 | 日本黄色电影网 | 国产欧美第一页 | 一区二区三区日韩 | 亚洲精品久久久久久一区二区 | 欧美成人免费在线观看 | 岛国一区 | 欧美一区永久视频免费观看 | 欧美国产日韩在线观看 | 久草免费在线视频 | 四虎影视 | 国产激情网站 | 黄页网站大全在线观看 | 91视频免费观看入口 | 一本一道久久a久久精品综合蜜臀 | 国产精品久久久久久久久久 | 天天干人人干 | 亚洲第一免费视频网站 | 色欧美日韩 | 国产女爽123视频.cno | 中国产一级毛片 | 久久综合伊人77777 | 成人国产精品久久久 | hd国产人妖ts另类视频 | 国产一区二区三区四区在线观看 | 91人人看 | 日本免费久久 | 亚洲视频一区在线播放 |