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
2023-09-09
25
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/3000218.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
EconomistssayconfidenceintheU.S.economyhasimprovedsincethefinancialc
EconomistssayconfidenceintheU.S.economyhasimprovedsincethefinancialc
EconomistssayconfidenceintheU.S.economyhasimprovedsincethefinancialc
随机试题
InanefforttomakeupforsomeoftheglaringlimitationsofIQtests,res
WhichofthefollowingstatementsisTRUEaccordingtothefirstparagraph?[br]
下列专利申请中,无法授予专利权的发明创造有()。A.—套图书分类的新规则
各种运输方式内外部的各个方面的构成和联系,就是( )。 A.运输系统
统计行政诉讼是()对统计行政案件依法进行审理并做出裁决的活动。A.统计部
以下哪种治疗肺血栓栓塞症的药物最容易出现过敏反应( )。A.链激酶 B.尿激
对负债分散度的管理应体现在银行每年的流动性规划和限额体系中。()
球径约≤25nm,药物的溶液只被一层类脂质双分子层所包封的是A.PH脂质体 B
抗生素属于A.消毒剂 B.灭菌剂 C.抑菌剂 D.防腐剂 E.缓冲剂
国有建设用地使用权的出让人是()。A.市、县人民政府 B.市、县国土资源主管部
最新回复
(
0
)