14 A Rare Fossil Record The preservation of embryos and juveniles is a rate occurrence in the fossil record. The tiny, delicate skeletons are usually scattered by scavengers or destroyed by weathering before they can be fossilized. Ichthyosaurs had a

发表于:2018-12-07 / 阅读(197) / 评论(0) 分类 英语范文背诵20篇

The preservation of embryos and juveniles is a rate occurrence in the fossil record. The tiny, delicate skeletons are usually scattered by scavengers or destroyed by weathering before they can be foss

发表于:2018-12-15 / 阅读(169) / 评论(0) 分类 新东方现代文背诵篇章

Andrei Savelyev, 46, stands at the site of his house that was burnt down during the forest fires, 17 Aug 2010, in the village of Yuzhny, in the Nizhny Novgorod region, some 300 kilometers (187.5 miles) east of Moscow The heat wave that gripped Moscow

发表于:2019-01-13 / 阅读(34) / 评论(0) 分类 VOA标准英语2010年(八)月

By Phuong Tran Dakar 25 April 2008 What started out as Africa Malaria Day was being observed worldwide for the first time on Friday. Health organizations have long said that most of the one million deaths every year attributed to malaria happen in Af

发表于:2019-01-31 / 阅读(69) / 评论(0) 分类 VOA常速英语2008年(四月)

BERLIN, Nov. 8 (Xinhua) -- Home side Leverkusen cruised to a 3-0 win over Rapid Wien to wrap up their third win in Group K and a ticket for the round of 32 in UEFA Europa League on Thursday. The Werkelfs sits on second position in Group K after this

发表于:2019-02-13 / 阅读(40) / 评论(0) 分类 英语新闻

A: And therefore, global warming is the greatest de- ception of the early 21st century. Questions? B: Uh yeah. In the lecture you said there s more evidence in the scientific record supporting global cooling? A: Well, yes, essentially, the historical

发表于:2019-03-06 / 阅读(180) / 评论(0) 分类 英语播客-EnglishPod