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
2023-11-17
59
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] 【C8】
选项
A、represented
B、reproduced
C、replaced
D、repeated
答案
B
解析
动词辨析题。句意为:研究者再现了非洲人如何制造石器的过程。represent“代表”;reproduce“复制,再现”;replace“代替”;repeat“重复”。[B]reproduced符合原文。
转载请注明原文地址:http://tihaiku.com/zcyy/3195650.html
相关试题推荐
Lichenscanbespectacularforanyonewhocarestolook,butfewpeopletak
Lichenscanbespectacularforanyonewhocarestolook,butfewpeopletak
Peoplewholiveinthecountrysideorinthemountain,wheretheeyesareconsta
Scientistsfirst______theideaoftheatomicbombinthe1930s.A、perceivedB、c
Threatsfromnomadicpeopleinthenorthwere【C1】______throughoutChinese
Threatsfromnomadicpeopleinthenorthwere【C1】______throughoutChinese
Threatsfromnomadicpeopleinthenorthwere【C1】______throughoutChinese
Threatsfromnomadicpeopleinthenorthwere【C1】______throughoutChinese
Threatsfromnomadicpeopleinthenorthwere【C1】______throughoutChinese
Threatsfromnomadicpeopleinthenorthwere【C1】______throughoutChinese
随机试题
Theprisonerhasbeen______ofmanyprivilegesthataveragecitizensenjoy.A、en
Thereisneveragoodtimetohaveaheartattack,butthewisepersonaffli
[audioFiles]audio_eusm_0087(20106)[/audioFiles]A、20dollars.B、6dollarsand50
下列不属于影响企业战略变革的外部动因的是( )。A.科学技术的发展 B.企业
某城市为满足治安管理、城市管理、交通管理、应急指挥等需求,决定在城市的所有进出路
以下作品描述正确的有()A.《满江红》音调深沉稳健,歌词节奏分布比较均匀,略带悲
不宜用作甲亢常规治疗的药物是A、碘化物 B、甲基硫氧嘧啶 C、丙基硫氧嘧啶
理财师的职业特征包括()。A.规范性 B.专业性 C.综合性 D.
某企业通过统计分析发现,本企业的销售额与所需销售人员数成正比例关系,根据过去10
根下列属于建筑安装工程费用中人工费的是()。A.津贴、补贴 B.职工福利费
最新回复
(
0
)