聽寫填空,只寫填空內(nèi)容,不抄全文,4個(gè)單詞/詞組+1個(gè)句子,不用寫標(biāo)號(hào)~

Since 1980, scientists have believed a meteorite impact in the Yucatan caused a mass extinction of species, including the dinosaurs. But [-----1-----] Gerta Keller of Princeton disagrees.

Gerta Keller: This impact actually didn’t cause any species [-----2-----].

According to 20 years of research by Keller and her team, this impact happened 300,000 years after the dinosaurs disappeared. Keller believes that — instead of a space rock — volcanoes might have killed the dinosaurs.

Gerta Keller: Now we find that the other [-----3-----], which is Deccan Volcanism, may be the real culprit.

She's talking about volcanic eruptions on India's Deccan plateau between 63 and 67 million years ago. The volcanoes spewed huge amounts of sulfur dioxide into the air. With each [-----4-----] volcanic flow, Keller said, less evidence of life appears within the cores.

Gerta Keller: [-----5-----]

That's today's show, celebrating The International Year of Planet Earth.

Thanks to the National Science Foundation and US Geological Survey.

【視聽版科學(xué)小組榮譽(yù)出品】
geologist extinctions catastrophe subsequent We found the first evidence that one of the main phases of the Deccan eruptions was possibly related to or caused the mass extinction.
1. geologist: a specialist in geology 2. extinctions：the act of making extinct or the state of being extinct 3. catastrophe: a sudden, extensive, or notable disaster or misfortune 4. subsequent: occurring after; succeeding. Sequent: 繼[連]續(xù)的 consequent:結(jié)局的， 跟著發(fā)生的（on， upon）; (邏輯上)必然的， 當(dāng)然的 5. We found the first evidence that one of the main phases of the Deccan eruptions was possibly related to or caused the mass extinction.我們發(fā)現(xiàn)的第一個(gè)證據(jù)，那就是主要時(shí)期之一的德干高原火山爆發(fā)可能造成了大規(guī)模的恐龍的滅亡或與之有關(guān)。 GPS：global positioning system 【視聽版科學(xué)小組榮譽(yù)出品】 以上僅供參考,歡迎大家參與討論~