首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
The use of fire improved early man’s life in many ways.【B1】______ made his food more【B2】______ . Smoking and【B3】______ food mad
The use of fire improved early man’s life in many ways.【B1】______ made his food more【B2】______ . Smoking and【B3】______ food mad
admin
2010-09-25
10
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.
【B8】
选项
答案
frighten
解析
转载请注明原文地址:https://kaotiyun.com/show/i6z7777K
0
大学英语六级
相关试题推荐
Anissuethatmanycorporateexecutivesignoreisthepossibilitythataggressivepeopleseekreinforcementfortheirowndestru
Whydowecry?Canyouimaginealifewithouttears?Notonlydotearskeepyoureyeslubricated,theyalsocontaina【B1】______
A、Shewantstoearnmoremoney.B、Shehastopayforhercollegeeducation.C、Shefeelslonelysometimes.D、Sheneedsmoreexper
TheInteriorDepartmentproposedWednesdaytodesignatepolarbearsasathreatenedspecies,sayingthattheacceleratinglosso
A、Toreturntheshoesandgettherefund.B、Tobuyanotherpairofshoes.C、Tochangetheshoesforanotherstyle.D、Tochanget
Manufacturingcompaniesspendmillionsofpoundstryingtoconvincecustomersthat_______________________(他们的产品好于其它公司的产品).
Avianinfluenza(禽流感),or"birdflu",isaninfectiousdiseaseofanimalswascausedbyvirusesthatnormallyinfect
FactsaboutDepressionInanygivenone-yearperiod,9.5%ofthepopulation,orabout18.8millionAmericanadults,sufferf
Computershavebeentaughttoplaynotonlycheckers,butalsochampionshipchess,whichisafairlyaccurateyardstickformeas
Computershavebeentaughttoplaynotonlycheckers,butalsochampionshipchess,whichisafairlyaccurateyardstickformeas
随机试题
首先提出归因理论的美国心理学家是()
IntheHarryPotterfilms,HermioneGrangerisbetterthanhermalefriendsandisconsideredthebrightestpupilinhergrade.
患者,女性,32岁,5天前出现发热、乏力、恶心、食欲不振,查体:巩膜轻度黄染,肝肋下1cm,质软,ALT750U/L,总胆红素55μmol/L,考虑该病人为“病毒性肝炎”。对于与其生活在一起的丈夫来讲,恰当的措施是
患者女。近1年出现便秘与腹泻交替,下列最可能的疾病是
闪燃和阴燃是燃烧的不同形式。下列有关闪燃和阴燃的说法中,正确的是()。
小燕是某外来打工子弟学校的社会工作者,结合学生的实际需求,小燕采用治疗型学校社会工作方式来开展服务。下列小燕的服务内容中,属于治疗型学校社会工作方式的有()。
下列选项中,()必须执行国家强制检定。
设求矩阵A可对角化的概率.
E-R模型中,“基数”是指
NonverbalCommunicationNonverbalcommunicationisusuallyreferredtoasthe"hiddendimension"ofcommunication,whichisa
最新回复
(
0
)