单词：Bechtereas-Mendel reflex
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[00:06.35]READING [00:07.58]THE BIRTH OF A SCIENCE [00:10.19]Before the eighteenth century, botany was merely a branch of medicine. [00:13.90]Unit then, mostly doctors and surgeons studied herbs. [00:17.97]Attempts had been made by others to classify
高中英语人教版必修第三册
[00:06.35]READING [00:07.58]THE BIRTH OF A SCIENCE [00:10.19]Before the eighteenth century, botany was merely a branch of medicine. [00:13.90]Unit then, mostly doctors and surgeons studied herbs. [00:17.97]Attempts had been made by others to classify
高中英语人教版必修高三
This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? February 28th is International Sword Swallowers Awareness Day, according to practitioner Dan Meyer, who recently demonstrated the technique at the AAAS meeting in Chic
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[00:00.00]Unit 6 In the laboratory [00:04.70]1.Listen,read and practice in pairs. [00:11.47]Do you like to do experiments in a laboratory? [00:16.54]What is a science class like? Let's see what these people are doing. [00:23.90]Teacher:Good morning,e
澳大利亚中学英语
What Are Reflexes? If youve ever blinked at a sudden light, jerked your hand away from something hot, or jumped at a loud noise, then you know that these are not actions we consciously plan. Rather, they happen involuntarily. Such sudden, unconscious
英语听力文摘 English Digest
The gas stings Iris, and suddenly, she can't help it, she starts weeping uncontrollably. 这种气体刺激着虹膜，来势汹汹，她无力阻止，于是她开始控制不住地大哭。 These reflex tears are different from the basal tears that
TED演讲教育篇
Despite the occasional tidyings-up, chemistry by the second half of the nineteenth century was in something of a mess, which is why everybody was so pleased by the rise to prominence in 1869 of an odd and crazed-looking professor at the University of
万物简史
Philomela菲勒美拉PhilomelaKing Pandion of Athens had two daughters,Procne and Philomela.When Athens was threatened by the wild men,King Tereus of Thrace came to its help.Out of gratitude King Pandion offered Tereus either of his daughters in marr
英语美文
Continued economic weakness has led to another round of interest rate cuts in Europe, while the number of Americans receiving unemployment benefits has reached a 26-year high. A broker is seen under the curve of the German stock index DAX at the sto
VOA标准英语2008年(十二月)
SADIQ KHAN, MAYOR OF LONDON: I am so proud that London has today chosen hope over fear, and unity over division. DAVID TERESHCHUK, PBS NEWSHOUR WEEKEND CORRESPONDENT: When Sadiq Khan was elected mayor of London seven months ago, he became the first e
PBS访谈社会系列
Chapter 30 - The Rostvs at Mytshchi The glow of the first fire that began on the second of September was watched from the various roads by the fugitive Muscovites and by the retreating troops, with many different feelings. The Rostov party spent the
有声英语文学名著
Sleep On, Sneeze Not 睡觉的时候不会打喷嚏 The signs are unmistakabl e : the eyes water, the chest heave s , the nose twitch es , the body tenses, suspense builds until finally a sneeze blasts forth, concluding the drama. It's a momentarily
英语听力文摘 English Digest
A new flexible smartphone design could change the way users interact with their devices. ReFlex, developed by researchers at Queen's University, uses 'bend sensors' to control app interactions, and simulates physical forces through detailed vibration
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音乐咖啡厅:Marc Terenci - Love to be loved by you 相关介绍：关于Marc Terenci我就不想过多介绍了，多年以前，听到这首，只能感受到从歌曲中流露出的悲伤旋律，如今，再次听起这首歌，看着歌词，才
音乐咖啡厅
After having spent a fast year Waiting for the next time I can get you close I grew used to being back here Like a chorus synth line soldier at his post You call and I respond The sparrow and the song I miss you when you're gone When I am alone I See
音乐咖啡厅
The signs are unmistakable: the eyes water, the chest heaves, the nose twitches, the body tenses, suspense builds... until finally a sneeze blasts forth, concluding the drama. It's a momentarily paralyzing experience that can seize one at almost any
英语时差8，16
Pre-Listening Vocabulary involuntary: occurs without ones control (e.g. a reflex) contagious: spreads from one person to another empathy: the understanding or acknowledgment of another persons feelings phenomenon: an observance in nature (often causi
趣谈英语