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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
35
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] (8)
选项
A、otherwise
B、which means
C、generally speaking
D、that is to say
答案
D
解析
语篇衔接题。由句意可知,后面句子是对前面句子的进一步解释说明,因此选[D]that is to say(也就是说)。[A]otherwise意为“否则的话”,排除;[B]which means意为“也就是说”,从意思上来说,which means可以作为选项,但是因为前面的标点符号为分号,而which means是非限制性定语从句,只能用在逗号后面,故排除;[C]generally speaking意为“一般来说”,不符合此处的逻辑关系,故排除。
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