首页
登录
职称英语
The use of fire improved early man’s life in many ways.【B1】______ made his
The use of fire improved early man’s life in many ways.【B1】______ made his
游客
2024-06-02
23
管理
问题
The use of fire improved early man’s life in many ways.【B1】______ made his food more【B2】______ . Smoking and【B3】______ food made it possible for him to keep【B4】______ longer. He could improve his【B5】______ tools and weapons by【B6】______ their points over a【B7】______ . Camp fires or flaming torches could【B8】______ away wild animals.
Fire is so important in our human life and supplies us something that could make our life more and more comfortable and easier. The most essential one is that, fire protected man from the cold. Without fire, man could only live in warm regions. But with fire, man could move north. In the coldest winter, man could stay warm in heated shelters.【B9】______ . Later he learned to make glass and to work with metals.
Step by step, soon man learned that water could be boiled and that food could be cooked in boiling water.【B10】______ . Steam machinery was important to the Industrial Revolution.【B11】______ .
Fire produces steam in electricity generating plants. The steam turns a turbine which makes electricity, which gives light.
Until right now, we could not live without fire. Imagine, what should we do if fire had disappeared from the earth? And how could we live here without fire? And our humans will be died out? We should think, about this hypothesis. [br] 【B5】
选项
答案
woods
解析
转载请注明原文地址:https://tihaiku.com/zcyy/3616484.html
相关试题推荐
Theuseoffireimprovedearlyman’slifeinmanyways.【B1】______madehis
Theuseoffireimprovedearlyman’slifeinmanyways.【B1】______madehis
Theuseoffireimprovedearlyman’slifeinmanyways.【B1】______madehis
Theuseoffireimprovedearlyman’slifeinmanyways.【B1】______madehis
Theuseoffireimprovedearlyman’slifeinmanyways.【B1】______madehis
Theuseoffireimprovedearlyman’slifeinmanyways.【B1】______madehis
EconomistssayconfidenceintheU.S.economyhasimprovedsincethefinancialc
EconomistssayconfidenceintheU.S.economyhasimprovedsincethefinancialc
Theresearchisdesignedtocontributetoanimprovedfoundationforteachertra
Theresearchisdesignedtocontributetoanimprovedfoundationforteachertra
随机试题
______rapidlybythebody,sugarprovidesaquickenergysource.A、DigestedB、Dig
AproverballegedlyfromancientChinawaswidelyspreadintheWest:"Ifyo
A.为避免车辆从路口突然冲出引发危险,应适当降低车速 B.本车有优先通行权,可
砌一砖厚及以上的砖墙必须双面挂线。()
左边的立体图形是立方体中挖出一个圆锥台孔后形成的,如果从任一面剖开,以下哪一个不
下列哪项不是虚劳与肺痨的鉴别要点A.致病原因及病理特点 B.病位所在 C.是
数字表中第2列四个数字之积的个位对应的符号是()。
2004年6月,巴塞尔委员会颁布的《巴塞尔新资本协议》中明确提出,( )形成三
经过统计得到s结果,正确的结论是A.P=0.05,拒绝H,差异有统计学意义 B
我国同业拆借的最短期限为()。A.7天 B.3个月 C.半年 D.1天
最新回复
(
0
)