Why did humans___(进化) to walk upright?相关知识点: 试题来源: 解析 evolve 答案:evolve.考查翻译填空.根据句意及句子结构,要填入动词,助动词did后接动词原形.人类为何进化到了直立行走的姿态?考查翻译填空,准确地理解句子、翻译句子,然后根据句意及提示确定所填单词词性,正确写出单词完成句子,使句意更通顺....
After all, thanks to its design, humans can walk upright on two legs (unlike our primate cousins) and mothers can give birth to children with huge heads (therefore big brains). The pelvis is anatomically well-understood, but when it comes to how and when this very essential structure takes...
Why did humans start to walk upright? A. Because it was fun. B. Because it helped them see farther. C. Because it made them run faster. D. Because it made them look stronger. 相关知识点: 试题来源: 解析 B。解析:文章中提到人类开始直立行走的一个原因是 it helped them see farther(它...
chimps were measured both while walking upright and while moving on their legs and knuckles.That measurement of the energy needed to move round was compared with similar tests on humans and the results are published in this week's online edition of Proceedings of the National Academy of Sciences...
根据第一段“Why did humans evolve to walk upright?(为什么人类进化成直立行走?)”以及划线词后文“walking on two feet — is one of the defining characteristics of being human, and scientists have debated for years how it came about”可知,用两只脚走路——是人类的决定性特征之一,科学家们多年来...
walking upright D. walking on four legs E. running fast【小题2】We can infer from the passage that___. F. scientists have no idea on how humans’ walking on two legs came about G. scientists have had different views on why chimps walk on four legs . scientists have had different view...
Researchers Discover Why Humans Began Walking Upright Most of us walk and carry items in our hands every day. These are seemingly simple activities that the majority of us don’t question. But an international team of researchers, including Dr. Richmond from GW’s Columbian College of Arts and...
该词后面的内容应该是对 "Scientists say the answers come down to evolution"的解说,根据"Humans probably evolved without fur because they have more sweat glands (汗腺) than other mammals. Humans walk upright on two legs. Therefore, the top of their heads needs protection from the sun"可知,人类...
Humans walk upright (直立地) on two legs. Therefore, the top of their heads needs protection from the sun. This is why people have more hair on their heads than on the rest of their bodies. The hair also helps keep heat (热量) in cold weather and keep a healthy body temperature....
walking upright C. walking on four legs D. running fast 2. We can infer from the passage that___. A. scientists have no idea on how humans’ walking on two legs came about B. scientists have had different views on why chimps walk on four legs C...