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新视野大学英语视听说教程 4 Unit 8-2

III. Listening In Task 1: Stem Cell Research Script Gregory: The Republican party in America is opposing stem cell research. I find it hard to believe that in this day and age, someone would do that. Lillian: Stem cell research sounds pretty impressi

发表于:2018-12-29 / 阅读(32) / 评论(0)

新视野大学英语：视听说教程 4

SSS 2011-09-09

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Common batteries are electrochemical cells. And they may get better thanks to living cells: the multicellular organism called brown algae. Lithium ion

发表于:2019-01-08 / 阅读(79) / 评论(0)

Scientific American(九)月

2007年VOA标准英语-Stem Cell Therapy Promising for Type 1 Diabetes

By Carol Pearson Washington 16 April 2007 Watch Diabetes report Type 1 diabetes can affect anyone but it usually starts in people younger than 30. It is a lifelong disease, and there is no cure. But doctors recently tested a stem cell therapy that a

发表于:2019-01-09 / 阅读(79) / 评论(0)

2007年VOA标准英语（四月）

UNIT 6 Connect Lesson 42: It Only Takes a Moment!

[ti:UNIT 6 Connect Lesson 42: It Only Takes a Moment!] [0:00.493]Unit 6 第六单元 [0:02.682]Connect 连接 [0:04.817]Lesson 42: 第42课： [0:06.842]It Only Takes a Moment! 稍等片刻！ [0:09.964]THINK ABOUT IT! 想一想 [0:11.261]2. [0:13.70

发表于:2019-01-09 / 阅读(192) / 评论(0)

河北教育初中英语（初中起点）八年级下册

美国国家公共电台 NPR What Makes A Human Brain Unique? A Newly Discovered Neuron May Be A Clue

DAVID GREENE, HOST: Scientists have taken one more small step toward understanding what makes the human brain unique. As NPR's Jon Hamilton reports, they've identified a type of brain cell that exists in people but not in rodents. JON HAMILTON, BYLIN

发表于:2019-01-17 / 阅读(68) / 评论(0)

2018年NPR美国国家公共电台8月

美语听力 English Cafe 205

Topics: Alcatraz; The Simpsons; using negation with an infinitive; heaven versus heavens; kind of versus sort of versus type of Words: to escape guard jailbreak cover-up cell haunted animated dysfunctional family trouble-maker pacifier merchandise le

发表于:2019-02-23 / 阅读(33) / 评论(0)

美语听力 English Cafe

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