【1】细节理解题,根据第一段“she’s found the answer: river valley in the African country of Botswana (博茨瓦纳).”可知海耶斯人类的来源是在博茨瓦纳。故选B。【2】细节理解题。根据“This type of DNA is only passed down from mother to child.”可知他们研究这种基因是因为这种基因只会从母亲传给...
根据文章第一段Where did humans come from? An Australian researcher believes that she's found the answer: a river valley in the African country of Botswana.可知一名澳大利亚研究人员认为她找到了答案:非洲国家博茨瓦纳的一个河谷。故选:C。 (2) 细节理解题。根据文章第四段中She and her team studied ...
When you think about where human teethstarted to evolve, your first thought may not be under the sea. Yet, scientists have found evidence【小题1】 this is likely the case.T he oldest fossils of fish with jaws【小题2】(find) over 100 years ago, but until now, they were never studied...
For me, family comes first. Today, you college students are facing a totally different time from what we were presented with ten years ago. Obviously, there are difficulties, but chances exist, and you'll have hope of leading a successful life. 2019年全国卷Ⅰ 第一部分 听力 (共两节,满分30...
On the first day when she came, we were given a test and I definitely failed it again. Instead of scolding me, she invited me to the office and expressed great concern about my study. She patiently instructed me to learn English in a...
Instance-based attention: where could humans look first when searching for an object instance. We present an instance-based attention model to predict where humans could look first when searching for an object instance, and we show its application in... Changxin,Gao,Nong,... - 《Optics ...
[04:16.04]Homo sapiens was not the first human species [04:18.60]to live outside of Africa - [04:20.80]including the area surrounding the hub. [04:24.40]Ancient intermixing by modern humans [04:27.36]has left small traces o...
分析句子可知,此处为谓语动词,时间状语为over 100 years ago,句子用一般过去时,主语The oldest fossils of fish with jaws与find之间是被动关系,且主语为复数形式,故填were found。(3)in.考查介词。句意:最古老的有颚鱼化石是在100多年前发现的,但直到现在,它们从未被详细研究过。in detail表示"详细地"符合句...
were found 解析:此题考察动词的变形。可从时态,语态,主谓一致三方面进行考虑。第一,从时态来看,后有“over 100 years ago”,所以要用一般过去时。第二,从语态来看,显然,本句意为“最古老的含颔鱼类化石在100多年前就被发现了”,所以要用被动语态。第三,从主谓一致角度来看,要搞清本句的主语究竟是单数还是...
amoboile moboile[translate] aすべて忘れました You forgot entirely[translate] a我的内心世界 My inner world[translate] aAll the accomplishments since humans first scribbled in the sand have led us back to where we began 正在翻译,请等待...[translate]...