The Earth is like our mother.She gives live to all the living things on the Earth.And she provice us with air、food、water and other things we need for living.Once she was beautiful ahd rich.But mow she is crying, becacuse she is becoming dirtier and dirtier, poorer and poorer. It'...
And do you know how many extinctions occurred in the history of the earth? First of all, let’s talk about what is mass extinction. Mass extinction is an event in which a considerable portion of the world’s biodiversity is lost in a short time. The ...
≡、原文与直译THE SIXTH EXTINCTION第六次大灭绝Extinctions, where entire species are wiped out, are not unusual in our Earth's history.物种灭绝,即某个物种的完全消失,在地球的历史上并不罕见。In fact, over 90 percent of all species that ever lived are now extinct.事实上,超过90%曾经存在过的物...
THE SIXTH EXTINCTION第六次灭绝Extinctions, where entire species are wiped out, are not在地球历史上,整个物种被一扫而光的大unusual in our Earth's history. In fact,over 90 percent of all species灭绝并不罕见。事实上,超过90%的曾经生that ever lived are now extinct. In the last 500 million ...
(Ex.1) 1. How many times up to today has life on Earth died out? a. Once. b. Five times. c. More than 10 times. 2.About what percent of all species on Earth became extinct during the mass extinction known as the “Great Dying”? a. Less than 10%. b. Nearly 50%. c. ...
Why did scientists want more information about the dinosaur extinctions at the end of the Cretaceous? Paragraph 5 implies that a special explanation of the Ir in the boundary clay is needed because Answers:the Ir in microscopic meteorites reaching Earth during the Cretaceous period would have been...
课本P55 Complete the paragraph about extinctions using the correct form of the phrases below.die out be known as have affected depend on wipe out take steps take action set up take care ofIn the last 500 million years, there have been five mass extinction events on Earth. In the third ...
三、 阅读表达The Sixth Extinction Extinctions, where entire species are wiped out, are not unusual in our Earth's history. In fact,over 90 percent of all species that ever lived are now extinct. In the last 500 million years, there have been five times when life on Earth has almost ende...
What led to the Great Dying? Digging is exactly what Professor Uwe Brand does for a living. As a geoscientist from Brock University in Canada, his job is to dig deep into Earth's past by digging into the Earth itself, looking for clues about what the planet was like millions of years ...
名师圈点原文呈现译文参考①entire species 整个THE SIXTH EXTINCTION第六次生物大灭绝物种Extinctions, where entire species are wiped out物种灭绝,即某个物种②wipe out 彻底毁灭are not unusual in our Earth's history. In fact, over的完全消失,在地球的历史③ unusual adj. 异常90 percent of all species th...