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
Scientists had thought people began manipulating fire to create tools in Europe about 25, 000 years ago. But the new finds sugge
Scientists had thought people began manipulating fire to create tools in Europe about 25, 000 years ago. But the new finds sugge
admin
2010-06-26
38
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.
【C6】
选项
A、naive
B、stupid
C、simple
D、intelligent
答案
D
解析
语义衔接题。本段首句使用了“advanced smarts”,显然说话人认为这些早期人类是非常聪明的,故选择[D]intelligent。
转载请注明原文地址:https://kaotiyun.com/show/vF1K777K
0
专业英语四级
相关试题推荐
Whatisthelatestproblemfacingpeoplewhodrivetoschool?
Peopletakephotographsfora【C1】______ofreasonsbutthemost【C2】______istomakearecordofsomethinginordertoshowot
WhatdidthemanthinkaboutthepeopleoftheIceAge?
Justasabookisoftenjudged______bythequalityandappearanceofitscover,apersonisjudgedimmediatelybyhisappearan
WhosaidthattheyprefersurfingontheInternet______runningawebsitethemselves?
Nexttimeyougazeoutside【C1】______acoldwinterdayandthinkhowdeadeverythingappears,takeacloserlook.Naturema
Nexttimeyougazeoutside【C1】______acoldwinterdayandthinkhowdeadeverythingappears,takeacloserlook.Naturema
Thoughthiscarismoreelegantinappearance,itsquality______thatlessfancyone.
By2000,productionintheareaisexpectedtodouble______of1990.
ThereisageneralunderstandingamongthemembersoftheBoardofDirectorsthatchiefattention______totheundertakingthati
随机试题
在Internet的IPv4网络地址分类中,C类IP地址的每个网络可容纳_______台主机。
A.中脘B.三阴交C.阳陵泉D.太渊E.膻中腑会
选择性抑制COX-2的药物是( )。
慢支并发肺气肿时,其主要症状是
某妇女因会阴部奇痒无比前来就诊,检查发现阴道有大量白色稠厚豆渣样白带。为该患者做阴道灌洗,宜选择的药液是
风险识别范围包括生产设施风险识别和()。
2006年,兆龙能源经过股改变更为股份有限公司。2007年年初,兆龙能源在上海证券交易所上市。兆龙能源所处的煤炭和电力行业作为国民经济的基础性行业,与罔民经济的景气程度有很强的正相关性。近几年,随着经济持续增长及石油和天然气价格大幅波动,煤炭的产量和需求都
被假释的犯罪分子在假释考验期内具有下列哪种情形的,应当撤销假释?()
TheFormMaster’sobservationsaboutpunishmentwerebynomeanswithouttheirwarrantatSt.James’sSchool.Floggingwiththe
Whendoesaneutronfromoneatomcollideswiththenucleusofanotheratom,achainreactioncanoccur.
最新回复
(
0
)