于) other sheep, Dolly was not born in the usual way. She was the world’s first cloned sheep.Dolly was born... of the cell owner (细胞主人). Do you know of any cloned animals? In the 1950s, scientists began (开始) to clone ……

to happen later than usual. The animals might even miss the season. As a result (因此), fewer eggs may hatch... these animals share their feelings. This way, they work better as a group and face dangerous situations (危险 ……

parents had been filming wild animals in Africa for seven years before she was born in 1990. They believed.... Tippi also tells readers in her own childish words the way to treat the animals and the aboriginal ……

babies. This is because the birds feed in an instinctive (本能的) way. Other animals, it seems...狗狗眼中的我们是怎样的？词数 260 建议阅读时间 6分钟 测试见7版WHEN we look at animals, we know that they are not humans ……

It’s always sad to lose a pet, but there may now be a way for owners to see their beloved pets again.China’s first cloned cat, named Dasuan, was born recently. The British Shorthair was produced ……

机) to get closer to dangerous scenes. Also, they put cameras on animals, such as a golden eagle. That way... shows, the documentary looks more like a movie. A slow boy sloth (树懒) travels a long way through ……

noisy this year?2. Why are the cicadas so noisy this year?A. They are singing louder than usual.A. They are singing louder than usual.B. Their life cycle is shorter than usual. B. Their life cycle ……

in life.Being born a Rat is nothing to beashamed(羞愧) of. However, rats are not popular animals...), the rat starts the 12-year animal cycle. People think those born in the year of the Rat are smart ……

bring back extinct animals, like the mammoth (猛犸象)? Cloning seems to be the most likely way. However...用克隆技术复活灭绝物种？词数 360 建议阅读时间 6分钟教案和课件见网站 测试见7版 SEVENTEEN years ago, a sheep was born in a research ……

In a world where swiping up and down on your phone has become the usual way for making social... swiping up and down on your phone has become the usual way for making social connections, two students ……

我爱春天One spring morning, I heard two little sparrows (麻雀) singing on my windowsill. On the way.... It was a lovely day. I love spring. It is a season of life. It wakes animals from their long winter ……

harmful to nocturnal (夜间的) animals.Nocturnal animals sleep in the day and are busy at night. Animal... brought to these animals.Small animals use darkness to hide from predators (捕食者). But, he said, cloudy ……

动物知道如何快速“甩干”自己。ANIMALS really know how to shake. Scientists have found that wet, hairy (多毛的) animals shake just the right speed to get rid of water on their bodies. Researchers at the Georgia ……

of baby animals are born in spring. They come into the world when they can get more time to enjoy... ones during spring when food is easy to find.Lots of baby animals are born in spring. They come ……

by Houlang Research Institute, about 93 percent of people born after 2000 are interested in urban sports...). According to a study by Houlang Research Institute, about 93 percent of people born after 2000 ……