【每日阅读训练第四期——速度越障7系列】【7-16】科技

ynayumi

1‘35
1’47
1‘44
1.35
1.42
越障4.35我觉得我弄错了一个叫做FIRSTSTONE的队伍和一个叫做SURVAIL的队伍
1 关于comet撞地球的争议
2 F队伍说灭绝是跟PLE有关，他们觉得是发生在Y时期/地区，而且他们有理论说灭绝是跟comet impact有关
4 另一队人研究觉得是冰河世纪发生的。因为F队没想到P因素，然后此队伍找到了一种样本证明他们自己。

angela不怕孤单

thanks~CHRISTINE2010
speed
1 02:34
2 02:30
3 01:43
4 03:05
5 02:38
obstacle
06:10
1/USE AG is a co-author of the study.
2/a brief introduction about object of the study.
3/Topper site is a good institution.
4/Y-D is a very cold period,which last for long time.
5/they proposes a theroy that the event is a catalyst.
  -->have great impact on the north america and killed the animals and plants.
6/a 2009 study by TS cannot repeat the Topper study.
 -->the object is from the earth rather than from outer space.
文章框架：
背景介绍（研究员，研究机构，研究对象）-->观点一-->观点二（反对观点一）

yangzier

2'22"
2'21"
2'22"
2'10"
2'16"
9'07
1.with PNAS new study,the comet impact theory by USC could be true
2.Usc impact theory,evidence in argi,the explain for warm after ice-age
3.But 2009 study fail to prove
4.PNAS,Lecpoupte,do experiment in New Mecxico&Maryland,all prove the USC is porbably right

Bianshaozhe

2.30
3.10
3，20


不懂啊啊啊

flyoceanwu

谢谢楼主。辛苦了！
1。1：59
2。2：03
3   2：02
4   2：05