Parents Model Healthy Eating It should come as no surprise that the more stressed parents are at work, the greater the burden on their family. Its also probably not a surprise that this dynamic can negatively affect a familys nutrition. After all, th

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英语听力文摘 English Digest

英语听力文摘 English Digest 618、美国人的头越来越大了

Americans Heads Are Getting Bigger The story of human evolution goes something like this: Millions of years ago, homo sapiens began to evolve from the prehistoric ancestor we share with our monkey cousins. First, we evolved the ability to walk uprigh

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英语听力文摘 English Digest

英语听力文摘 English Digest 619、人类和猩猩有多相似？

Dear A Moment of Science, I know that humans and chimps share something like 98 percent of our DNA. But what does this really mean? At least on the surface, humans and chimps seem very different we live in houses, they live in trees. We use complex l

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英语听力文摘 English Digest

英语听力文摘 English Digest 571、穴居人远比我们想象的聪明！

Neanderthals Were Sophisticated We modern humans tend to look down on our ancient Neanderthal cousins. In our imagination, Neanderthals were brutish, cave dwelling lunks who couldnt hack it once we left Africa and set up shop in Neanderthal territory

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英语听力文摘 English Digest

英语听力文摘 English Digest 557、为何我们的汗水不好闻？

Why Does Sweat Smell So Bad? Our bodies have two main kinds of sweat glands. The sweat glands that are distributed over most of the body produce an innocent, clear sweat thats more than ninety-nine percent water. As this watery sweat rinses your skin

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英语听力文摘 English Digest

英语听力文摘 English Digest 558、为怎样防止面包变质？

How To Keep Bread From Going Stale Generally speaking, refrigeration helps to keep food fresh. Fruits, vegetables, and dairy products all last longer if kept cool. But dont try to store a loaf of bread in the refrigerator if you want it to stay fresh

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英语听力文摘 English Digest

英语听力文摘 English Digest 562、寒冷的晒伤！

A Cool Sunburn A listener from Ontario, California wrote to A Moment of Science with a question her sons had asked her. The boys wondered why is it that when you get sunburned you often feel chilled. It really does seem like a contradiction: youve be

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英语听力文摘 English Digest

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3-MP

aeronautical radio incorporated

air blockade

allowable pressure drop