“It’s an extremely large area, it would have been very lush (苍翠繁茂的), and it would have actually provided a suitable habitat for modern humans,” she said. She and her team studied mitochondrial (线粒体的) DNA (mtDNA) from people who live in south Africa, such as the Khoisan ...
一、补全短文Where did the ancestors of modern humans come from? It is commonly believed that they came from Africa. 1. ___.Listed as one of China's top 10 new archaeological discoveries of 2019, the Jiegedong site is home to preserved (保存的) human remains and stone tools from 15,00...
“It’s an extremely large area, it would have been very lush (苍翠繁茂的), and it would have actually provided a suitable habitat for modern humans,” she said. She and her team studied mitochondrial (线粒体的) DNA (mtDNA) from people who live in south Africa, such as the Khoisan ...
After presenting the broad outlines of the economic and political dispensation in Africa on the eve of colonial rule, under colonialism, and in the postcolonial period, the author deals in more detail with Africa's current problems. These include civil war and the destructive tendencies ...
Where did the first human come from? Humans first evolved inAfrica, and much of human evolution occurred on that continent. The fossils of early humans who lived between 6 and 2 million years ago come entirely from Africa. Most scientists currently recognize some 15 to 20 different species of...
解析 does come; comes解析:用where引导的特殊疑问句中没有be动词或情态动词,这时要借助助动词do,由于主语Bill是第三人称单数,因此要用does,后面的动词用原形come。答句中He作为主语,谓语动词用第三人称单数comes;句意是“比尔来自哪里?他来自南非”。
According to Hayes, where did humans come from? A. Australia. B. Botswana. C. South Africa. D. Latin America.2. The underlined word "ancestry" in the passage means"" in Chinese. A.体型 B.籍贯 C.性格 D.祖先3. Hayes and her team studied mtDNA because A. it is the most common ...
Given the vast number of educational options in the U.S., it should come as no surprise that many students stay close to home when choosing a college. In fact, roughly 56% of first-time, full-time freshmen selected schools that were 100 miles or less from home, according to The America...
C 因为前面问句中的谓语动词come from是行为动词,其疑问或否定均需加上助动词do或does。由于主语lions是复数,故要用do而不用does.题意:你知道狮子来自哪儿吗?我认为它们来自非洲。c
I miss speaker like Carlos Cooks, who was always on the southwest corner of 125th and Seventh, urging listeners to support Africa. Harlem's powerful political electricity seems unplugged-although the streets are still energized, especially by West African immigrants. ...