标签：plants 相关文章

SSS 2008-11-26

Darwin's fabled isles, the Galapagos, are in need of a makeover. And removing invasive species of plants tops the to-do list for the islands restoration. But six species that were set to be exterminated have gotten a reprieve. Because a new study fin

发表于:2018-12-24 / 阅读(106) / 评论(0) 分类 Scientific American(十一)月

SSS 2011-08-24

This is Scientific Americans 60-Second Science. Im Christopher Intagliata. Got a minute? Rivers today have high muddy banks, sandbars and bends. But they didnt always look that way because it wasnt until the evolution of tree-like plants, some 330 mi

发表于:2018-12-24 / 阅读(86) / 评论(0) 分类 Scientific American(八)月

SSS 2009-11-20

We humans are known to help out members of our own families. When it comes to business we call it nepotism. Now plants have demonstrated the same predilection, in a study published in the American Journal of Botany. Previous research showed that plan

发表于:2018-12-24 / 阅读(112) / 评论(0) 分类 Scientific American(十一)月

NPR边听边练263：奥巴马环保新规

以下段落是摘自新闻里的一些重要信息,并不是一个段落的听写。空内信息可在本新闻中全部找到,大家可以根据这些信息复述新闻。 一、泛听建议： 1、完整听一遍，掌握大意。 2、继续听，特

发表于:2018-12-26 / 阅读(60) / 评论(0) 分类 NPR边听边练

托福听力短文 I-16-1

(man) Today I want to discuss fossil fuels such as coat, oil, and natural gas. The term fossil fuel refers to the trapped remains of plants and animals in sedimentary rock. You see, living plants trap energy from the sun by the process of photosynth

发表于:2018-12-30 / 阅读(59) / 评论(0) 分类 托福听力短文

VOA慢速英语20060221a

AGRICULTURE REPORT - Legumes: Good for People and SoilBy Bob Bowen Broadcast: Tuesday, February 21, 2006 I'm Steve Ember with the VOA Special English Agriculture Report. Many different kinds of plants

发表于:2019-01-02 / 阅读(55) / 评论(0) 分类 2006年慢速英语（二）月

向前一步:第56期 要成功 也要受欢迎(7)

I never really thought about why I went to such efforts to mute my achievements from such a young age. 我从没真正想过，为什么我在这么年轻时，就会如此努力地隐藏自己的成就。 Then, about ten years after I graduated from

发表于:2019-01-02 / 阅读(69) / 评论(0) 分类 向前一步

菌类植物产生于几十亿年前

> 58 菌类植物产生于几十亿年前 DATE=8/24/01 TITLE=ENVIRONMENT REPORT - Early Plant Study BYLINE=Cynthia Kirk （Start at 1’00” ）This is Bill White with the VOA Special English ENVIRONM

发表于:2019-01-02 / 阅读(123) / 评论(0) 分类 自然探索

建在公路隧道内的韩国“智能农场”

South Korean Smart Farm Built Inside Former Road Tunnel A South Korean company is operating the countrys largest indoor smart farm inside a former road tunnel. The farm produces fruits and vegetables hydroponically, which means the plants do not grow

发表于:2019-01-03 / 阅读(58) / 评论(0) 分类 2018年VOA慢速英语(九)月

SSS 2010-10-15

Many of our medicines originate in plants. But were not the only ones who tap into nature.Theres increasing evidence that some animals seek out specific plants for their medicinal qualities. A new study shows that monarch butterflies may be among the

发表于:2019-01-08 / 阅读(80) / 评论(0) 分类 Scientific American(十)月

SSS 2009-01-08

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Aspirin is a popular painkiller, and chances are you have some in your medicine chest right now. You might even have some in your flesh-and-blood, put-a-

发表于:2019-01-08 / 阅读(73) / 评论(0) 分类 Scientific American(一)月

新课标小学英语阅读100篇 30

Sorry,thereisnottexttemporarily,Pleasehelptingroomtolookforit! 如果您能找到更好的听力原文，请发贴到 听力原文收集区 ，您将会获得10到30积分的奖励! Thankyou ！

发表于:2019-01-09 / 阅读(211) / 评论(0) 分类 新课标小学英语阅读100篇

与美国小学生一起学英文第7册 第8期:细胞

Cell 细胞 Every living thing has at least one cell. 每个生物至少有一个细胞。 Then, what is a cell? 那么，什么是细胞呢？ Every cell works differently, but most cells work to maintain life. 每个细胞的功能都不相同，但大

发表于:2019-01-10 / 阅读(62) / 评论(0) 分类 与美国小学生一起学英文第7册

与美国小学生一起学英文第3册 第11期:土地

Soil 土地 Soil is necessary for people's life. 土地是人类生活的必需品。 Plants can grow from soil. 植物依靠土地生长。 Soil gives plants a lot of nutrition. 土地为植物提供大量的营养物质。 Plants can make flowers a

发表于:2019-01-10 / 阅读(65) / 评论(0) 分类 与美国小学生一起学英文第3册

VOA慢速英语 2008 1104a

This is the VOA Special English Agriculture Report. Cotton plants Bollworms are a traditional threat to cotton crops. Young ones feed on the boll, the part of the cotton plant that contains the seeds. A bacterium known as Bt is able to kill bollworm

发表于:2019-01-11 / 阅读(85) / 评论(0) 分类 VOA慢速英语2008年（十一）月

VOA慢速英语 2007 0403a

This is the VOA Special English Agriculture Report. Spreading mulch Mulch is important to farmers. Mulch is a protective cover of material that is spread on top of soil. It is usually made out of organic material, like crop waste. Farmers may keep t

发表于:2019-01-11 / 阅读(79) / 评论(0) 分类 VOA慢速英语2007年（四）月

VOA慢速英语 2007 1204a

This is the VOA Special English Agriculture Report. A Yale student carries beets grown on an organic farm near the university in New Haven, Connecticut Beets are a tasty root vegetable that do not require much work to grow. People might think beets

发表于:2019-01-11 / 阅读(145) / 评论(0) 分类 VOA慢速英语2007年（十二）月

VOA慢速英语2014 Dreadnoughtus:最巨大的恐龙之一

AS IT IS 2014-09-13 Dreadnoughtus: A Giant Among Dinosaurs Dreadnoughtus:最巨大的恐龙之一 The dinosaur lay undiscovered for perhaps 77 million years after it died. Then, in 2005, an American scientist found some of its fossilized remains in t

发表于:2019-01-12 / 阅读(68) / 评论(0) 分类 2014年VOA慢速英语(九)月

海洋生物大量减少在未来只能提供更少的食物

Fewer Creatures in Future Oceans Could Provide Less Food 海洋生物大量减少在未来只能提供更少的食物 Warming oceans will cause big changes in the biodiversity of sea life. That is a finding from the largest study ever of marine plant

发表于:2019-01-12 / 阅读(46) / 评论(0) 分类 2015年VOA慢速英语(九)月

VOA慢速英语2015 蜜蜂都哪去了?

Where Have All the Bees Gone? 蜜蜂都哪去了? Bees play an important part in the growth of crops. About 4,000 wild bee species are native to North America. Other bee species on the continent were imported from Europe to produce honey. Bees also s

发表于:2019-01-12 / 阅读(61) / 评论(0) 分类 2015年VOA慢速英语(四)月
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