Fire was discovered many thousands of years ago.The first time humans saw fire was probably when a tree was destroyed by lighting(闪电).Humans soon learned how to make fire.They probably made the first fire by rubbing(摩擦)two sticks together.Fire was very important to humans.They needed to...
Fire was discovered thousands of years ago. The first time humans saw fire was probably when a tree was destroyed by lightning(闪电). Humans soon learned how to make fire. They probably made the first fire by rubbing(摩擦)two sticks together. ...
Fire was discovered many thousands of years ago. The first time humans saw fire was probably when a tree was destroyed by lightning(闪电). Humans soon learned how to make fire. They probably made the first fire by rubbing (摩擦)two sticks together. ...
What we discovered is that it’s ___ to judge what you eat only by its ___. Those tomatoes had ___ that reminded me of the ones my uncle used to grow when I was a child. Nowadays supermarket tomatoes ___ perfect but taste of water. Nobody’s going to have a ___ memory of...
Ever since humans lived on the earth,they have made use of various forms of communication.Generally,this expression of thoughts and feelings has been in the form of oral speech.When it is difficult to express withlanguage,communication is accomplished (完成) through sign language in which body ...
W:I'm sorry,but I was caught in a traffic jam on my way to school.Q:Why was the woman late?(9) A. Because she was sick. B. Because she got up late. C. Because the traffic was very heavy. D. Because she took the wrong bus. 查看完整题目与答案 从图可以分析,电视广告...
In the past the unmarried daughter of a rich family was not supposed to see or be seen by men except her father, brothers or very close male cousins. When an admirer paid a visit however, she might take a secret look at him from a screen behind which she would be completely hidden. ...
The humans are destroying nature day by day, ___ of course, will cause severe punishment from it sooner or later. A.who B.when C.on which D.which扫码下载作业帮搜索答疑一搜即得 答案解析 查看更多优质解析 解答一 举报 D 因为先行词是前面整个句子,且在从句中作主语,所以用which。of course是插...
Unit 6 When invented？Section A(3a-3c)课件人教版九年级全册英语 Newton Graviation(万有引力)wasdiscoveredbyaccident.偶然地；意外地 Thewaterisboiling.煮沸 NowonderConfucius(孔子)isthesaintofourcountry.圣人 Theflowerssmellgood.Theflowershaveagoodsmell.闻起来；气味 It’snearly2o’clock.几乎；接近 Great...
Fire was very important to humans.They needed to keep warm at night.They used fire to cook food.(53)They used fire to keep enemies and wild animals away.In some parts of the world fire was used to send massages.The Indians in America,for example,used fire to make smoke as a message...