when the first human appeared B. how they walked C. where they lived D. how they lived37. Early humans had to move around in order to A. find more caves to live in B. protect themselves from animals C. look for food and water D. make kinds of tools38. Early humans used fire to...
aWhen the earliest human appeared on the face of the earth, dinosaurs have been extinct for tens of thousands of years! It is through the way of the dinosaur fossils were found. 当最早期的人在地球的面孔出现,恐龙是绝种成千上万年! 它是通过恐龙化石的方式被发现了。 [translate] ...
The first human ancestors appearedbetween five million and seven million years ago, probably when some apelike creatures in Africa began to walk habitually on two legs. They were flaking crude stone tools by 2.5 million years ago. Then some of them spread from Africa into Asia and Europe after...
The human story began around 65 million years ago, when animals first appeared on Earth. Over thousands of years, their bodies became almost human. Their brains became 1 (big), and they learned how to use language, light fires and make tools. Modern human-people like us-developed 2 these...
After investigations by generations of scholars, the case of the prehistoric human adventure in the deserts of North America has emerged as a rich, if largely unresolved detective story, complete with abundant and often puzzling clues, no living witnesse
Passage 6The human story began around 65 million years ago, when animals first appeared on the earth. Over thou-sands of years, they became almost humans. Their brains became much 1.(big), and they learned how to use language, light fires and make tools. Modern humans-people like us-dev...
energycouldsurvivewithoutgovernmentsupport.Nowthequestionishowfaritcanspread.The numberofelectricvehicles,whichwasabout1millionin2015,lastyearreached2million.Inelectricity generation,too,thetrendiswiththegreenness.Inthefirsthalfofthisyear,wind,sunandwater generatedarecord35%ofGermany?spower. Greatersuccessisbreedi...
journeytowards Antarctica.“From seeing the wildlifetowitnessingsunrises,thewholeexperiencewasamazing.Antarcticaleftanimpression onmethatnootherplacehas,”Ginnisays.“IrememberthefirsttimeIsawahumpbackwhale;it justroseoutofthewaterlikesomeprehistoric creatureandIthoughtitwassmilingatus.You couldstillheartheoperatic...
【题目】Human needs seem endless. When a hungry man get s a meal, h e begins to think about an orercoat, when a manager gets a ncw sports car, a big hous e an d pl casur e boats danc e into view.T h e many needs of mankin d might b e regard e d as making up sereral ...
Studies of the impact of face masks on emotional facial expression recognition are sparse in children. Moreover, to our knowledge no study has so far considered mask color (in adults and in children), even though this esthetic property is thought to have