英语翻译How many kinds of animals live on the Earth?A recent survey shows that scientists have found more than 2 million kinds of animals and there are over 10 million we haven't discovered yet.Animals are much mor
阅读理解Elephants are the largest of all land animals on earth. How-ever, there aren't many of them left in the world. Many people try to protect elephants. Paul a Kahumbu is one of them.Paul a grew up in Nairobi, the capital of Kenya. She loved reading, and her love for elephants...
Study Solves Mystery of How First Animals Appeared on EarthResearch led by the Australian National University has solved the mystery of how the first animals appeared on Earth, a pivotal moment for the planet without which humans would not exist.Australian National University...
Lizards that can outrun blazes. Birds that lay ash-colored eggs. Wildlife may have a limited ability to evolve in this fiery new era known as the Pyrocene.
Though taxonomists have been cataloguing plants and animals for more than 250 years, they still have no exact answer to the question, “How many species are on Earth?”“It’s a very simple question, but we have no simple answer,” Fisher said. One of the reasons we can’t get an...
19. People have used solar energy for many years. They build houses with windows so that the sunlight ___ get inside and make them warm. 此处表示“能够”,应该用can。 20. There ___ solar panels that collect energy from sunlight to make electricity. There be句型中,be动词的单复数形式取决...
百度试题 结果1 题目[ ] How many kinds of sea animals are there ___ the oceans on the Earth? A. on B. in C. at D. to 相关知识点: 试题来源: 解析 B 反馈 收藏
Protect Our Environment It is important to beal with the rubbish in cities. Our world was colorful,beautiful and full of life. But these years, people have built many factories along rivers. Many trees have been cut down. Many animals have lost their homes. Factories cause pollution. Rivers ...
In therainforest, around80,000 acres of treesare cut down every day to make way forfarming, or to providewoodfor industry. In other countries, habitats likegrasslands, underwater habitats,andwetlandsare also at risk – and so are theanimals and plantsthat live there. ...
Many species do exhibit highly intelligent behavior, both in captivity and in the wild, learning complex tasks and demonstrating advanced problem-solving skills. Whales also have excellent memories, as is evident in their migration patterns. As we'll see in the next section, individual whales seem...