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
50
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] 【B7】
选项
答案
flame
解析
转载请注明原文地址:http://tihaiku.com/zcyy/3616486.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
EconomistssayconfidenceintheU.S.economyhasimprovedsincethefinancialc
Theresearchisdesignedtocontributetoanimprovedfoundationforteachertra
随机试题
DearMr.Jack,WithourvisittoFrancecomingtoanend,weareleaving
[img]2022m3x/ct_ve01202001m_eillist_1392_220329[/img][br][originaltext](Frank
ThenumberofspeakersofEnglishinShak
下列关于低胆固醇膳食配餐原则应除外哪项( )。A.三类脂肪酸比例1:1:1
碎石的公称最大粒径通常比最大粒径小一个粒级。()
下列不属于市场风险计量方法的是()。A.外汇敞口分析 B.敏感性分析 C.
下列药物中能用于治疗泻痢腹痛及疝气痛的是A、神曲 B、山楂 C、麦芽 D、
A.环形B.类方形C.多角形D.波形E.不规则形川芎的形成层呈()。
科学家最近成功破译白鳍豚全基因组图谱。科学家的努力当然是可贵的,30多年前中国科
(2019年11月)培训需求分析是培训管理工作的()。A.第一环 B.最
最新回复
(
0
)