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
2023-10-10
42
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] 【C18】
选项
A、demands
B、commands
C、grasps
D、inquires
答案
A
解析
空格处所填入的动词应该和宾语some serious thinking构成搭配,选项中demands“需要,需求”符合句意。commands意为“命令,指挥;控制”;grasps意为“掌握;抓住”;inquires意为“询问;查究”。
转载请注明原文地址:https://tihaiku.com/zcyy/3088191.html
相关试题推荐
Thefirsthintofwhatwastobecomethemostsuccessfulmeansofraisingmoney
Scientistsbelievetheyhavesolvedoneoftheenduringmysteriesofthesex
Scientistsbelievetheyhavesolvedoneoftheenduringmysteriesofthesex
Scientistsbelievetheyhavesolvedoneoftheenduringmysteriesofthesex
Scientistsbelievetheyhavesolvedoneoftheenduringmysteriesofthesex
Scientistsbelievetheyhavesolvedoneoftheenduringmysteriesofthesex
Scientistsbelievetheyhavesolvedoneoftheenduringmysteriesofthesex
Scientistsbelievetheyhavesolvedoneoftheenduringmysteriesofthesex
Scientistsbelievetheyhavesolvedoneoftheenduringmysteriesofthesex
Whenwasthelasttimeyoucomeoutofaverysuccessful【M1】______filmand
随机试题
Ideasabout"spoiling"childrenhavealwaysinvolvedconsiderationofjustw
WhenaNewYorkerwashikinginEurope,hisSwissfriendkeptsaying"Listen
治疗破伤风的关键措施是()。A.使用破伤风抗毒素中和游离的毒素 B.彻底清
下列关于空调系统调试的说法中,正确的是()。A.由建设单位总负责,施工单位负
热固性粉末涂料双涂涂层厚度为()。A.0.066~0.110mm B.0
一般而言,影响行业市场结构变化的因素包括( )。 Ⅰ.企业的质量Ⅱ.企业的数
A.Q1/Q2=1 B.Q1/Q2>1 C.Q1/Q2<1 D.Q1/Q2
根据FIDIC《施工合同条件》的规定,关于争端裁决委员会(DAAB)及其裁决的说
A."餐叉"样畸形 B.下肢短缩、外旋畸形 C.腕下垂 D.下肢短缩、内旋
关于建设单位、设计单位、施工单位在建筑活动中节能义务的说法,正确的有()。
最新回复
(
0
)