无色肽

英语访谈对话 99 Vending Machines

Todd: OK, hello, Hisa! Hisa: Hi, Todd. Todd: How are you doing? Hisa: Fine thanks, and you? Todd: I'm doing pretty good. Hisa, you were telling me that you have a concern about Japan. Hisa: Yes. Todd: And what is your concern? Hisa: It's vending mach

发表于:2019-01-02 / 阅读(58) / 评论(0)

英语访谈对话

Animal And Machine

The body of an animal may well be compared with(1) some machine like a locomotive engine. Indeed, the animal body is a machine. It is a machine composed of(2) many parts, each part doing some particular kind of work for which a particular kind of str

发表于:2019-01-07 / 阅读(60) / 评论(0)

英语背诵文选第一册

SSS 2008-04-01

This is Scientific Americans 60-Second Science, I am Cynthia Graber, this will just take a minute. The disease hepatitis C might provide a new tool in the fight against HIV AIDS ,say scientists at the Scripps Institute and in the Netherlands.The rese

发表于:2019-01-08 / 阅读(84) / 评论(0)

Scientific American(四)月

VOA慢速英语2010-THIS IS AMERICA - Finding Sweetness in a

FAITH LAPIDUS: Welcome to THIS IS AMERICA in VOA Special English. I'm Faith Lapidus. STEVE EMBER: And I'm Steve Ember. To some people, they are nothing more than a harmless treat or a guilty pleasure to enjoy from time to time. To others, they are en

发表于:2019-01-12 / 阅读(71) / 评论(0)

2010年VOA慢速英语(四)月

VOA标准英语2012--Drug Reverses Alzheimer's in Lab Mice

Drug Reverses Alzheimer's in Lab Mice Researchers working with laboratory mice have stopped the progression of a condition found in the brain of Alzheimer's victims. They've even reversed cognitive decline. But whether the discovery can translate to

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VOA标准英语2012年(二月)

美国研究生入学考试难句解读-3

Themolecularapproachtodetecting peptidehormonesusingcDNAprobes shouldalsobemuchfasterthanthe (60)immunologicalmethodbecauseitcan takeyearsoftediouspurifications toisolatepeptidehormonesandthen developa

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accumulative sinking fund

basic time-sharing system

Beariz

bergell

Better a clout than a hole out.