Passage 21 Soils There are many different kinds of soils. Different soils have different types of rock and minerals in them than other. Some soils have more water in them than others. Some soils might have more plant and animal material in them, too

发表于:2018-11-30 / 阅读(197) / 评论(0) 分类 英语专业四级听写

HARI SREENIVASAN, PBS NEWSHOUR WEEKEND ANCHOR: For a closer look at the environmental policies of the Trump administration what it's done and what it plans to do I'm joined from Washington by New York Times reporter Coral Davenport. Coral, there's be

发表于:2018-12-05 / 阅读(60) / 评论(0) 分类 PBS访谈环境系列

AGRICULTURE REPORT - Gene Researchers Work on Flood-Resistant RiceBy Jerilyn Watson Broadcast: Tuesday, October 03, 2006 This is the VOA Special English Agriculture Report. Rice plants normally grow w

发表于:2018-12-07 / 阅读(53) / 评论(0) 分类 2006年慢速英语(十)月

[ti:UNIT 2 DNA Lesson 9 What's a Horkey?] [0:01.785]UNIT 2 第二单元 [0:03.616]DNA [0:06.372]You will learn 你将学到 [0:07.998]Functions 功能 [0:09.452] Ability and Inability 能力与无能 [0:12.545]Grammar 语法 [0:13.806] Coordinating C

发表于:2018-12-10 / 阅读(132) / 评论(0) 分类 河北教育初中英语(初中起点)九年级下

(MUSIC) Our story today is called Rappaccinis Daughter. It was written by Nathaniel Hawthorne. We will tell the story in two parts. Here is Kay Gallant with the first part of our story. (MUSIC) Storyteller: Many years ago, a young man named Giovanni

发表于:2018-12-11 / 阅读(54) / 评论(0) 分类 听美国故事练听力

[00:02.92]Unit 2 Four Seasons [00:05.81]Lesson 5 Seasons and Time [00:09.40]Let's talk. [00:10.88]Spring lasts from March to May.In [00:14.30]spring, it's warm.Plants grow and [00:17.89]birds sing.It's time to go for an [00:20.68]outing. [00:22.12]Su

发表于:2018-12-13 / 阅读(82) / 评论(0) 分类 新路径小学英语五年级下册(一起)

Botany, the study of plants, occupies a peculiar position in the history of human knowledge. For many thousands of years it was the one field of awareness about which humans had anything more than the

发表于:2018-12-15 / 阅读(180) / 评论(0) 分类 新东方背诵文选

SCIENCE IN THE NEWS - An International Appeal to Cut Smoking Rates Through Six Policies Also: An effort to find evidence of climate change in plants. And researchers develop a kind of rubber that can repair itself. Transcript of radio broadcast: 17

发表于:2018-12-15 / 阅读(53) / 评论(0) 分类 VOA慢速英语2008年(三)月

This is the VOA Special English Agriculture Report. These days, if we hear about two different plants being combined, the first thing we think of might is modern biotechnology. But the low-technology process of grafting remains an extremely important

发表于:2018-12-15 / 阅读(83) / 评论(0) 分类 VOA慢速英语2007年(一)月

The Secret Life of Roots Plant roots are important to life on earth. Roots take in water and nutrients that the plant needs to live and grow. They also help secure plants in dirt to prevent erosion - the breakdown of soil by natural forces. Roots are

发表于:2018-12-16 / 阅读(70) / 评论(0) 分类 2015年VOA慢速英语(九)月

The tongue of the frog is most useful to the creature in catching the flies and other small insects on which it feeds. 青蛙的舌头非常有用, 就是依靠它来捕食苍蝇与其他小型昆虫。 It is joined to the lower jaw in front, and not

发表于:2018-12-18 / 阅读(55) / 评论(0) 分类 英国学生科学读本

If you imagine the 4,500-million-odd years of Earth's history compressed into a normal earthly day, 请你想像一下。把地球的45亿年历史压缩成普通的一天。 then life begins very early, about 4 A.M., with the rise of the first simpl

发表于:2018-12-18 / 阅读(86) / 评论(0) 分类 万物简史

Let us cut an apple across so as to divide it into halves. Now we can see the five parts of the seed-vessel in the middle of the fruit, and we notice that each of these parts contains at least one black seed. These seeds are held in a tough skin, whi

发表于:2019-02-13 / 阅读(72) / 评论(0) 分类 英国学生科学读本

Japan nuclear fears spread to China BEIJING, China By mid-afternoon Thursday, Fang Zhiming had already rummaged through three supermarkets in the Chinese capital searching for salt. She found none, but was on her way to a fourth shop, where her frien

发表于:2019-02-13 / 阅读(71) / 评论(0) 分类 阅读空间

北京空气污染控制的进展 Municipal authorities in Beijing suggest one of the main reasons for the sharp decrease in air pollution in the capital so far this year is through the replacement of coal-fired power plants with gas-powered faciliti

发表于:2019-02-14 / 阅读(72) / 评论(0) 分类 2015CRI中国国际广播电台

It is important that you remember that weight gain is a normal and healthy part of pregnancy. You have to gain weight in order to provide a healthy and comfortable home for the child that you will be nurturing for the next nine months。 体重增加对

发表于:2019-02-17 / 阅读(78) / 评论(0) 分类 阅读空间

Botany Botany, the study of plants, occupies a peculiar position in the history of human knowledge.For many thousands of years it was the one field of awareness about which humans had anything more than the vaguest of insights. It is impossible to kn

发表于:2019-02-17 / 阅读(60) / 评论(0) 分类 双语有声阅读

I write about food. I write about cooking. I take it quite seriously, but I'm here to talk about something that's become very important to me in the last year or two. It is about food, but it's not about cooking, per se. I'm going to start with this

发表于:2019-02-23 / 阅读(75) / 评论(0) 分类 英语语言学习

1. 判断句(含情态动词,系动词,正负褒贬词的句子); 2. 概括文章将来结构。 比如一个句子:Your minds changed my attitude. 这句新GRE考试话中并没有情态动词和系动词,因此这句话自然不是判断句,

发表于:2019-02-25 / 阅读(69) / 评论(0) 分类 GRE英语

Do cats eat spiders? Our answer? Yes, they do. And thats not all cats will eat. Cats, both domestic and wild, are obligatory carnivores, meaning that they dont have the chemical tools in their bodies to access nutrients from plants. So they have to e

发表于:2019-03-06 / 阅读(184) / 评论(0) 分类 英语时差8,16