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
70
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] 【B11】
选项
答案
Fire also gave light,primitive man gathered around fires at night,then he learned to make candles and later lamps,even today,much light comes from fire
解析
转载请注明原文地址:https://tihaiku.com/zcyy/3616490.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
Theuseoffireimprovedearlyman’slifeinmanyways.【B1】______madehis
Theuseoffireimprovedearlyman’slifeinmanyways.【B1】______madehis
EconomistssayconfidenceintheU.S.economyhasimprovedsincethefinancialc
EconomistssayconfidenceintheU.S.economyhasimprovedsincethefinancialc
随机试题
A—moneymarketB—realestateC—globalleadershippositionD—accountingpractices
RightandLeft-handednessinHumansWhydohumans,quite
We’renowwitnessingtheemergenceofanadvancedeconomybasedoninformati
网络小额贷款是指互联网企业通过其控制的小额贷款公司,利用互联网向客户提供的小额贷
由权威机构对实验室有能力执行特定任务的正式承认称为A:能力比对分析B:实验室认
患者男性,32岁,半年来乏力,消瘦,盗汗,偶尔咯血,肺内有啰音,诊断为肺结核。治
A.乙酰胂胺 B.氯喹 C.氯碘羟喹啉 D.甲硝唑 E.依米丁以上局部有
下列哪项不是影响城市空间发展方向的因素?( )。A.地形地貌 B.经济规模
近几年生猪价格波动较大,为有效缓解这一异常现象,()是养殖业发展的必然趋势。A.
(2020年)某建设项目部分投资估算见表4。 项目建设期为2年,投资分年使
最新回复
(
0
)