首页
登录
职称英语
Fire, scientists agree, helped give rise to a successful, thriving human pop
Fire, scientists agree, helped give rise to a successful, thriving human pop
游客
2023-10-11
25
管理
问题
Fire, scientists agree, helped give rise to a successful, thriving human population by providing heat for cooking and protection from the cold.
But they don’t agree【C1】______when humans began using fire. Some researchers argue that it【C2】______more than a million years ago when early humans【C3】______their way to Europe from Africa, and【C4】______say it happened much later. Now, a new study reveals that humans did not【C5】______fire until about 400 000 years ago.
Two archaeologists(考古学家)in the US report their【C6】______in the current issue of the Proceedings of the National Academy of Sciences. They looked at excavation(发掘)reports and studies from 141 sites in Europe that were【C7】______1.2 million and 35 000 years old. They think there is no clear evidence of【C8】______fire use until about 400 000 years ago. In Africa,【C9】______there are several sites where there was evidence of fire, those may have been【C10】______fires that occurred in the African grassland.【C11】______, there are also sites older than 400 000 years in Europe that indicate the【C12】______of humans, with the oldest, in Spain, more than a million years old. This means that【C13】______Europe’s extreme winter climates, early humans found a way to【C14】______without the warmth of a fire.【C15】______the researchers mention, early humans are【C16】______and persistent(坚持的). But some researchers【C17】______that it is still a puzzling explanation and it still【C18】______some serious thinking about how【C19】______the human being could have survived on a seasonally【C20】______food supply despite having small teeth and small guts. Up to now, no one has solved this problem yet. [br] 【C5】
选项
A、require
B、acquire
C、master
D、accumulate
答案
C
解析
上文一直在讨论人类何时开始用火的问题。结合选项可以判断master“掌握,控制”符合句意。require意为“要求,需要”;acquire意为“获得,取得”;accumulate意为“积累”。
转载请注明原文地址:https://tihaiku.com/zcyy/3089064.html
相关试题推荐
Scientistsbelievetheyhavesolvedoneoftheenduringmysteriesofthesex
Scientistsbelievetheyhavesolvedoneoftheenduringmysteriesofthesex
Scientistsbelievetheyhavesolvedoneoftheenduringmysteriesofthesex
Scientistsbelievetheyhavesolvedoneoftheenduringmysteriesofthesex
Scientistsbelievetheyhavesolvedoneoftheenduringmysteriesofthesex
Scientistsbelievetheyhavesolvedoneoftheenduringmysteriesofthesex
Scientistsbelievetheyhavesolvedoneoftheenduringmysteriesofthesex
Scientistsbelievetheyhavesolvedoneoftheenduringmysteriesofthesex
Whenwasthelasttimeyoucomeoutofaverysuccessful【M1】______filmand
Whenwasthelasttimeyoucomeoutofaverysuccessful【M1】______filmand
随机试题
CarsareanimportantpartoflifeintheUnitedStates.Withoutacarmost
Televisioneatsoutoursubstance.Mandercallsthisthemediationofexper
[originaltext]M:Nicetoseeyou,MadameSecretary.Thanksfortalkingwithus.
Althoughcustomerskeepcomplainingabouttheirpoorservice,they’vemadeno___
某教材设置了“民俗风情”专题,下列作品中适合被选人的是()A.《背影》 B
某边坡采用锚杆支护,锚杆水平拉力标准值为150kN,锚杆倾角为15°,锚杆轴向拉
紧急抢险、救灾以及施工技术特别复杂的建设工程适合采用( )。A.纯单价合同
下列属于政府会计要素的有()。A.预算结余 B.资产 C.净资产 D.利
下列关于我国器官移植伦理问题的表述中,正确的是A.要尽全力保证器官买卖行为的公平
在工人工作时间消耗的分类中,必须消耗的工作时间不应包括()A.有效工作时间
最新回复
(
0
)