首页
登录
职称英语
Scientists had thought people began manipulating fire to create tools in Eur
Scientists had thought people began manipulating fire to create tools in Eur
游客
2024-10-20
15
管理
问题
Scientists had thought people began manipulating fire to create tools in Europe about 25, 000 years ago. But the new finds suggest that people in【C1】______is now South Africa discovered that heating a stone called silcrete would make it easier to flake, allowing them to shape more 【C2】______ blades, knives, and other tools. These early engineers likely used some of these tools to hunt and butcher wide range of【C3】______, from the aggressive buffalo to the tiny rat.
This sophisticated control【C4】______ fire reflects advanced smarts, and marks the turning point【C5】______we became " uniquely human," said study leader Kyle Brown, an archaeologist at the University of Cape Town. "These people were extremely【C6】______," Brown said. "These are not the【C7】______of the classic cavemen. "
As part of the study, the researchers 【C8】______ the processes the early Africans likely【C9】______ to make the stone tools. Heated over a fire pit, the silcrete flaked and【C10】______a glossy red color.
Such craftsmanship required thinking 【C11】______, a sign of high intelligence, Brown said. People had to【C12】______ firewood, build the fire, work the stone, and then【C13】______the handle to the stone using natural adhesives. " Because(this is)such a sophisticated technology, this is something that would【C14】______ language to【C15】______ to the next generation," he added.
But paleoanthropologist John Shea isn’t convinced by the idea that " heat treating" stone was a sign of the 【C16】______to modern human behavior. " My position is that you shouldn’t 【C17】______ this event—you have to prove it," Shea said.【C18】______, Shea praised the study, saying it will 【C19】______ people to seek out other heat-treated stone tools【C20】______ in the African record. [br] 【C18】
选项
A、Consequently
B、Even so
C、However
D、Therefore
答案
B
解析
逻辑关系题。前句提到古人类学家约翰·谢伊对考古学家布朗的观点有异议,本句又提到谢伊称赞此项研究,由此可以判断这两句之间存在让步关系。[B]Even so“虽然如此,即使如此”为答案。
转载请注明原文地址:https://tihaiku.com/zcyy/3810222.html
相关试题推荐
Chomsky’sbookontherelationbetweenlanguageandthoughtis______Psychology
Somepeopleeither______avoidquestionsofrightandwrongorjustremainneut
About84%ofpeoplehavementalhealthproblemsandathirdoftheUKgener
About84%ofpeoplehavementalhealthproblemsandathirdoftheUKgener
About84%ofpeoplehavementalhealthproblemsandathirdoftheUKgener
About84%ofpeoplehavementalhealthproblemsandathirdoftheUKgener
About84%ofpeoplehavementalhealthproblemsandathirdoftheUKgener
About84%ofpeoplehavementalhealthproblemsandathirdoftheUKgener
About84%ofpeoplehavementalhealthproblemsandathirdoftheUKgener
About84%ofpeoplehavementalhealthproblemsandathirdoftheUKgener
随机试题
SeverallargeearthquakesweretriggeredbytheeruptionofPinatuboon15th
(1)Cheatinginsportisasoldassportitself.TheathletesofancientGreec
WhatdoesJanethinkofPotter’scourse?[originaltext]Harry:Whatdoyouthink
依据JTGD81-2006,按行车方向,配置黄色反射体的轮廓标应安装于公路右侧,
托里消毒散合八珍汤治疗的烧伤证型为A.热伤营卫证 B.火毒伤津证 C.火毒内
共用题干 第二篇Don'tCountonDung(粪便)Conserva
强油循环风冷变压器,在运行中,当冷却系统发生故障切除全部冷却器时,变压器在额定负
简述阿诺德的“评定一兴奋”情绪学说。
关于厌氧芽孢杆菌,下列哪项是错误的A.均为革兰阳性杆菌 B.都能形成芽胞 C
下列有关重要性的表述中,错误的是( )。A.重要性取决于在具体环境下对错报金额
最新回复
(
0
)