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46.Vision Human vision like that of other primates has evolved in an arboreal environment. In the dense complex world of a tropical forest, it is more important to see well that to develop an acute sense of smell. In the course of evolution members
新概念优美背诵短文50篇
Human vision like that of other primates has evolved in an arboreal environment. In the dense complex world of a tropical forest, it is more important to see well that to develop an acute sense of sme
新东方背诵文选
D:I feel bad for male squirrel monkeys. Y:What?Why? D:Because they cant detect the colors red and greentheyre red-green colorblind. Y:Maybe,but scientists at the University of Washington used gene therapy to make squirrel monkeys produce proteins tha
英语时差8，16
So let's go back to Sheffield to that whole plan by McDonald's to try and burn the waste and the leftovers from their burgers and the packaging to try and turn it all into household energy. Lucy Manning reports from Sheffield. Their ads say their cu
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So what have you done to save the world today? Used a bit less water? Perhaps. Recycled a bit more rubbish? Of course, as More4 News viewers, you are clearly caring and intelligent consumers. But ther
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In this Moment of Science Don gives Ya?l a neat trick to play on her brain. You might want to try it, too. D: Here's a simple demonstration you can do with cool implications. Find a large object that is brightly colored--let's make it a green door. S
英语时差8，16