[网络] 梯状条带；细胞凋亡；核酸标记

UNIT 2 DNA Lesson 10 What Is DNA?

[ti:UNIT 2 DNA Lesson 10 What Is DNA?] [0:02.300]UNIT 2 第二单元 [0:03.936]DNA [0:06.098]Lesson 10: 第10课： [0:07.918]What Is DNA? 什么是DNA？ [0:10.668]THINK ABOUT IT! 想一想！ [0:12.400] Do you and the students near you look the sam

发表于:2018-12-10 / 阅读(109) / 评论(0)

河北教育初中英语（初中起点）九年级下

职场囧研究：名字越短，工资越高？

Shorten it to Bill, Bob, Marc or a Cindy, if you want to work in the executive suite. 如果在外企高层工作，就给自己取一个像Bill, Bob, Marc或者Cindy则会有的名字吧。 Thats the message from a new study by TheLadders, an online

发表于:2018-12-12 / 阅读(23) / 评论(0)

求职英语

What Is Your New Year's Resolution?

And now Words and Their Stories -- a weekly program from VOA Learning English. Our show explores the roots and modern uses of expressions in American English. Today we talk about the word resolution. Resolution is a word with more than one meaning. H

发表于:2019-01-02 / 阅读(50) / 评论(0)

2017年VOA慢速英语(一)月

音乐咖啡厅:Leona Lewis - Ladders

Down here in the trenches I know what I'm fighting for Come back to my senses I'm ready for something more I can face all of my mistakes I'll be brave mmm It's okay found a way I'm away I'm away I fall back down but I'm looking up Each heart breaks a

发表于:2019-01-17 / 阅读(114) / 评论(0)

音乐咖啡厅

名校励志英语演讲 91:如何实现你的梦想

Mrs. Zubatsky's law. One day when I was a kid, our house caught on fire in Milwaukee. A large section of the wood shingle roof was burning as the fire trucks pulled up. The firemen ran into the back yard with a large hose and began assembling their m

发表于:2019-01-18 / 阅读(47) / 评论(0)

名校励志英语演讲

英文摇滚歌曲：Senses Fail - Lungs like gallows

I give blood to prove to myself that I can matter to somebody else. Is what makes a man the dirt on his hands? If so, don't put your faith in the desert sand, There are gallows deep inside my lungs, thats where I hung ambition. Is it luck that's knoc

发表于:2019-03-02 / 阅读(79) / 评论(0)

英文摇滚歌曲

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battery-powered hand lamp