光合比值

英语歌曲:number song

number song 1, 2, 3, 4, 5, 6, 7 that's the way to start 8, 9, 10, 11, 12 you'll learn them all by heart 13, 14, 15, 16 they're the next along 17, 18, 19, 20 that's the number song 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20

发表于:2018-11-29 / 阅读(224) / 评论(0)

优美儿童英语歌曲

美国科学60秒 SSS 2012-12-28

When autumn rolls around, the leaf peepers come out in force. Armed with digital cameras, they record the most spectacular displays of fall foliage. Well according to a study in the journal Functional Ecology [Toshie Mizunuma et al., The relationship

发表于:2018-12-02 / 阅读(87) / 评论(0)

Scientific American(十二)月

人教版小学英语四年级上--Unit 2 What's your number?

Unit 2 What's your number? [00:02.30]单元二你的号码是什么？ [00:04.60]Lesson 7 [00:06.22]第七课 [00:07.84]1.Just speak [00:09.67]1.请讲话 [00:11.49]Hi,Kate.This is my new friend,Sue. [00:13.78]喂，凯特。这是我的新朋友，苏

发表于:2018-12-12 / 阅读(253) / 评论(0)

人教版小学英语四年级

VOA慢速英语2016--“增压植物”或能大量增产

Supercharged Plants May Mean More Crop Production 增压植物或能大量增产 One day, supercharged plants may help feed people around the world. Supercharged plants are ones that grow faster than normal plant life. Scientists can speed up the gro

发表于:2018-12-16 / 阅读(93) / 评论(0)

2016年VOA慢速英语(十二)月

VOA常速英语2015--浮游生物的粪便帮助科学家预测气候变化

Plankton Poop May Help Scientists Predict Climate Changes 浮游生物的粪便帮助科学家预测气候变化 Scientists trying to predict future changes in our climate are using every possible source of data to make their calculations. Lately, th

发表于:2018-12-16 / 阅读(111) / 评论(0)

VOA标准英语2015年(十月)

VOA双语新闻：6、浮游生物粪渣助科学家预测气候变化

浮游生物粪渣助科学家预测气候变化 Scientists trying to predict future changes in our climate are using every possible source of data to make their calculations. Lately, they have learned that one of the most sensitive instruments could

发表于:2018-12-19 / 阅读(93) / 评论(0)

VOA双语新闻 2015年10月

SSS 2011-04-22

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Most plants capture sunlight. And the results are usually green. Because in photosynthesis, plant chlorophyll uses wavelengths of blue and our sun's ab

发表于:2018-12-24 / 阅读(106) / 评论(0)

Scientific American(四)月

美国科学60秒 SSS 2012-11-30

You might say blue-green algae are optimists: they put things in the best possible lightliterally. Actually, the organisms arent really algae. Theyre photosynthetic ocean bacteria. And they can fine-tune their photosynthetic apparatus to take advanta

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Scientific American(十一)月

The number of our class is 25.

发表于:2018-12-30 / 阅读(143) / 评论(0)

自考英语（一）78讲

SSS 2008-08-01

This is Scientific Americans 60-Second Science. I am Cynthia Graber. This will just take a minute. Solar panels typically convert sunlight into electricity or heat. But photosynthetic vegetation converts sunlight into chemical energy. Now M.I.T.s Dan

发表于:2019-01-04 / 阅读(159) / 评论(0)

Scientific American(八)月

wrong number

Male: Hello, this is the press office. Michelle: Rachel Allsop please. Male: Im sorry, You must have the wrong number . Theres no-one of that name here. Michelle: Oh. Can I check the number Ive got. is that not 5568790? Male: No, its 5558790. Michel

发表于:2019-01-07 / 阅读(248) / 评论(0)

商务英语

海洋雪有助预测气候变化

海洋雪有助预测气候变化 As if materializing from a different dimension, the submersible device called PELAGRA slips below the surface and sinks into a research pool at the National Oceanography Centre, in Southampton, England. 位于英格兰

发表于:2019-01-14 / 阅读(144) / 评论(0)

VOA标准英语2016年(一月)

美国国家公共电台 NPR Ad For Nice Living: Discover Trees, Now With Chlorophyll

AUDIE CORNISH, HOST: Need a distraction from the news? ARI SHAPIRO, HOST: We have one. CORNISH: It's a reminder of the good things in life that are free. SHAPIRO: Another commercial for Nicer Living. (SOUNDBITE OF ARCHIVED RECORDING) UNIDENTIFIED MAN

发表于:2019-01-17 / 阅读(178) / 评论(0)

2017年NPR美国国家公共电台2月

雅思阅读--三段论搞定判断题

雅思阅读判断题对于很多同学来说可谓又爱又恨。在雅思阅读总体题型上来说，判断题难度适中，出题方式熟悉。但从判断题本身角度讲，很多同学都无法排除NOT GIVEN的情况....今天新东方网雅

发表于:2019-01-18 / 阅读(180) / 评论(0)

雅思英语

U.S. firm says it can "grow" diesel

BEIJING, March 1 (Xinhuanet) -- A biotechnology(生物技术) company says it can produce diesel using the same ingredients(配制成分) that make grass grow, media reported on Monday. The Massachusetts company Joule Unlimited has created a genetica

发表于:2019-01-20 / 阅读(135) / 评论(0)

英语新闻

科学美国人60秒 SSS 提高光合作用能使作物增加产量

Rev Up Photosynthesis To Boost Crop Yields 提高光合作用能使作物增加产量 Photosynthesis is surprisingly inefficient, only of the order of one to two percent. And one of the main culprits is an enzyme called RuBisCo. 光合作用效率低得

发表于:2019-02-14 / 阅读(126) / 评论(0)

2018年科学美国人4月

Science names HIV study 2011 Breakthrough of Year

WASHINGTON, Dec. 22 (Xinhua) -- The journal Science on Thursday chose the HPTN 052 clinical trial, an international HIV prevention trial as the 2011 Breakthrough of the Year. The study found that if HIV-infected heterosexual individuals begin taking

发表于:2019-02-18 / 阅读(124) / 评论(0)

英语新闻

听歌学英语:你是我的唯一 Number One For Me

听歌学英语:你是我的唯一 Number One For Me Maher Zain（马赫-仔）瑞典黎巴嫩裔音乐才子，歌声清透而深沉，曲风流行而不张扬，与AKON、ladyGaGa、Brandy等著名国际音乐人进行过合作，后厌恶了极致商

发表于:2019-02-18 / 阅读(140) / 评论(0)

听歌学英语

雅思阅读判断题--逻辑“三段论”更好解

雅思阅读判断题被同学们视为纠结题目之一，因为其类似于国内考试判断对错题，但又增加了not given的选项提高题目难度，所以对于广大考生来说多少有些挑战。殊不知这一类雅思题目解题方

发表于:2019-03-02 / 阅读(170) / 评论(0)

雅思英语

英语听力文摘 English Digest 244、光呼吸作用之谜

The Mystery of Photorespiration 光呼吸作用之谜光呼吸作用-Photorespiration是所有行光合作用的细胞（该处细胞包括原核生物和真核生物，但并非所有这些细胞都能运行完整的光呼吸）在光照和高氧低二

发表于:2019-03-09 / 阅读(154) / 评论(0)

英语听力文摘 English Digest

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arrangement of shipment