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 more than food or pets for humans.Animals are smart.Some of them do very unu...
阅读理解Have you ever wondered how many ants there are on Earth? Scientists at the University of Hong Kong certainly have studied it. In a new study, they counted the number of the world's ants and it is about 20,000,000,000,000,000 (20 with 15 zeroes) ! That means for every huma...
Many different animals live on this earth. Some live in the water. Some live above, on, or under the land. Some fly in the air. Some animals are large, and some are small. Some are so small that you need a microscope to see them. Others are larger than your automobile or even a...
I'm pretty sure that like me, most of you in this room have a similar positive emotional response to these most magnificent of all animals. It's really hard not to have watched a documentary, learned about their intelligence or, if you'v...
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 ...
B.There are more ants than humans.C.Ants on Earth weigh more than all other animals.D.There are nearly 2.5 million ants on Earth.(2)How did scientists count ants in different areas? A.They counted the ants running on the ground.B.They picked...
Morals are what make us different from other animals. AI can do many of the same things we do, such as drive cars or order food. But it cannot tell the difference between right and wrong. It cannot feel sadness or joy. It cannot tell beauty. And that is the difference between us ...
Like other species, we are the products of millions of years of adaptation. Now we're taking matters into our own hands.
many animals have legs. 许多动物都有腿。 these animals have two legs. 这些动物有两条腿。 these animals have four legs. 这些动物有四条腿。 these animals have six legs. 这些动物有六条腿。 these animals have eight legs. 这些动物有八条腿。
[00:17.24]Elephants seem to have many greetings too. [00:21.28]A recent study gives new information [00:24.88]about these greetings, [00:26.68]including how greetings differ [00:29.16]depending on the animals' sex [00:32...