首页
登录
职称英语
Israeli archaeologists have discovered human remains dating from 400,000 yea
Israeli archaeologists have discovered human remains dating from 400,000 yea
游客
2024-10-05
53
管理
问题
Israeli archaeologists have discovered human remains dating from 400,000 years ago,(1)______ conventional wisdom that Homo sapiens(2)______in Africa.
Avi Gopher, of Tel Aviv University’s Institute of Archaeology, said testing of stalactites(钟乳石) and other(3)______found in a cave east of Tel Aviv(4)______ that eight teeth uncovered there could be the earliest(5)______ so far of our species. " Our cave was used for a period of about 250, 000 years— from about 400,000 years ago to about 200, 000 years ago," he told the reporters.
" The teeth are(6)______ through the(7)______ of the cave, some in the deeper part;(8)______ from 200, 000 years and through all kinds of other layers that can be(9)______ 400, 000 years. The oldest are 400,000 years old" ,he added.
That calls into question the(10) ______held view that Africa was the(11)______of modern man, said Gopher, who headed the dig at Qesem Cave.
"It is(12)______ at the moment that the earliest Homo sapiens that we know is in east Africa and is 200,000 years old,or a little less. We don’t know of anywhere else where anyone(13)______ to have an earlier Homo sapiens,"he said.
Gopher said the first teeth were (14)______in 2006 but he and his team waited until they had several samples,then(15)______ years of testing, using a variety of dating methods,(16)______ publishing their findings.
Digging continues at the cave, the university said, with researchers (17)______ to uncover(18) ______finds that will enable them to(19)______the findings published up to now and to enhance our understanding of the(20)______of mankind, and especially the appearance of modern man. [br] (9)
选项
A、up to
B、by
C、at
D、around
答案
A
解析
介词辨析题。根据上面的句意,此处需要一个表示“数字增长到”的表达方式。[A]up to意为“一直到”,符合文意。[B]by,[C]at和[D]around都不能表示“增长到”的意思,因此排除。
转载请注明原文地址:https://www.tihaiku.com/zcyy/3788629.html
相关试题推荐
Israeliarchaeologistshavediscoveredhumanremainsdatingfrom400,000yea
Israeliarchaeologistshavediscoveredhumanremainsdatingfrom400,000yea
Israeliarchaeologistshavediscoveredhumanremainsdatingfrom400,000yea
Israeliarchaeologistshavediscoveredhumanremainsdatingfrom400,000yea
Israeliarchaeologistshavediscoveredhumanremainsdatingfrom400,000yea
Israeliarchaeologistshavediscoveredhumanremainsdatingfrom400,000yea
Israeliarchaeologistshavediscoveredhumanremainsdatingfrom400,000yea
Israeliarchaeologistshavediscoveredhumanremainsdatingfrom400,000yea
Israeliarchaeologistshavediscoveredhumanremainsdatingfrom400,000yea
Israeliarchaeologistshavediscoveredhumanremainsdatingfrom400,000yea
随机试题
______onearthishisattitudeisstillunknowntothepublic.A、ThatB、WhatC、W
[originaltext]Manycollegestudentshavegivenuptakingclassnotesbyhan
D解:本题考查幂级数收敛半径的求法。可通过连续两项系数比的极限得到ρ值,由R=1/ρ得到收敛半径。 R=1/ρ=1 选D。
管理的首要职能是A.决策 B.执行 C.控制 D.组织 E.计划
测定纤维蛋白原所用的标本是A.全血 B.血浆 C.血清 D.全血、血清均可
小吴是一位性工作者,最近因为担心被传染艾滋病,心理压力很大,焦虑失眠、厌食。家人
()的心理特点是半成熟、半幼稚,充满着独立性和依赖性、自觉性和幼稚性的矛盾。
《特里亚农条约》
牙周-牙髓联合病变治疗的原则除外A.尽量查清病源,确定治疗的主次 B.拔除患牙
酶促反应中决定酶专一性的部分是 A.底物 B.辅基或辅酶 C.金属离子
最新回复
(
0
)