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本讲为 2006 年下半年新的教学内容,请对照教材、练习册和语法书听录音! Unit 13 难句分析 1. He cannot be really happy if he is compelled by society to do what he does n
[00:00.00]What Will iPod Do for Television? [00:04.41]Apples iPod profoundly changed the way people experience music. [00:10.77]What will it do for television? [00:12.63]The industry was intrigued by Wednesdays announcement [00:16.24]that episodes of
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Americans have gained a lot of weight in the past few decades. Is it our sedentary lifestyle? The increase in processed foods and sweeteners? Supersized portions? Researchers from the World Health Organization in Australia say its very simple: we ea
With swine flu the big infectious disease story, you dont hear much about bird flu these days. And you may not have to look past your own nose for the reason. Because a new study finds that bird flu viruses may have trouble getting a good foothold i
This is scientific america 60 seconds science i'm cristfor dediother. got a minute?46 million years ago, northwest mountainer was traceable forth of gaint fers,conifers,and ginkgoes. tiny primites leave there as did right knows and horses in crocoss.
Dogs Can't Smell a Liar A study in the journal Behavioural Processes finds that dogs cannot reliably tell if someone is fibbing to them. Karen Hopkin reports You can teach your dog to lie down. But you cant teach him to lie, or to know when youre lyi
Teen Inventors Fight Tinnitus Irish teenagers Eimear OCarroll and Rhona Togher developed a treatment they hope will help people with tinnitus, an unpleasant ringing in the ears. Cynthia Graber reports Ever get a ringing in your ears after a loud blas
On May 19th, President Obama announced a new federal gas mileage standard. He wants the countrys entire car and light truck fleet to average 35.5 miles per gallon by 2016. Some reaction was swift and to the point. Heres forlorn Oklahoma Senator Tom
Remember the heady days of 2007, before the large economy sized recession? Well, even back then medical problems contributed to over 62 percent of all bankruptcies. Thats according to a study by researchers at Harvard Med, Harvard Law and Ohio Unive
Are Parasites to Thank for Sex? A study in the journal The American Naturalist implies that parasites helped drive the development of sex, because the shuffling of genes gives sex-produced progeny an advantage over asexual genetic clones. Cynthia Gr
Fitness Linked to Smartness A study in the Proceedings of the National Academy of Sciences finds that men's cardiovascular fitness at the age of 18 is a marker for later academic achievement. Karen Hopkin reports Any school kid can tell you: nerds ar