【题目】Many people think the dinosaurs(恐龙) were the biggest animals that ever lived. They are wrong. The world’s biggest animal is still living and it lives in the ocean(海洋). It is the blue whale(鲸鱼). Blue whales can be as long as 30 meters and weigh as much as 1,000 ...
In our park, we are happy to show you 【3】 dinosaurs, which lived in the Jurassic. The four-storied-building-high grass-eating dinosaurs are submissive (温顺的) and kind. You can 【4】 towards them and touch them. But the 【5】 of them are dangerous. The four-legged meat-eating ...
It was 2 than the size of a common chicken which lived about 120 million years ago. It was the 3 time to find fossils of dinosaurs in Liaoning, and it was the earliest one with feathers (羽毛). So, scientists said that Sinosauropteryx prima might have had tiny feathers, which is ...
题目Robot fools humans The idea that robots could one day be our friends has been around for a long time but until now they have always seemed more machine than person.A new study by a researcher at the Italian Institute of Technology has found that in fact it's possib...
题目 When John Todd was a child,he loved to explore the woods around his house,observing how nature solved problems.A dirty stream,for example,often became clear after flowing through plants and along rocks where tiny creatures lived.When he got older,John started to won...
1.B从第二段第三句话“In the study, they lookedat the DNA of dogs all over the world and foundthat dogs, like humans, shared DNA with theirfamily members. "故选 B。2.C从第三段"In this way, scientists learnedabout the history of dogs. The first dogs lived inAsia. They were born ...
At around 8:30 pm, Steve and Hannah were driving home with their three daughters when they noticed something unusual. There were flames (火焰) coming from a chimney (烟囱). “I was staring at the flames and trying to find out what it was,” Steve said. “It wasn’t until I passed ...
And how much salt do humans pour onto our planet’s surface? The second question is easier to answer: a lot. Salt doesn’t directly melt ice, nor does it make snow simply disappear. Instead it makes water le...
阅读理解 Air is all around us. It's around us as we walk and play. From the time we were born, air is around us on every side. When we sit down, it is around us. We live in air. All living things need air. Living things can't live without air. We can g
The fact that the dinosaurs were so well adapted to their climate and environment may have been their undoing. "When the asteroid hit, it threw everything into chaos and dinosaurs could not deal with the sudden change to a worl...