Article: The earth is about 4,600 million years old. Modern man has lived on the earth for only 35,000 years, but during that time, we have changed our planet in many ways. Many of the things that we have done are good, but more are not good for the earth. Water pollution A lot of people, birds and fish die each day because of water pollution. Factories have polluted the land and the water. As a result, many rivers and lakes are now dead. Air pollution In big cities, factories, as well as cars, trucks and buses are the main cause of air pollution. Many people in cities now have serious health problems. For example, Mexico city used to be a beautiful sunny capital, but today it is always covered by thick brown clouds. Soil pollution In order to have a good harvest, most of the farmers use chemicals too much in their fields. That's bad for the soil. But this kind of pollution is difficult to stop. Hope for the future These problems are very serious for our future, so all of us should do something to improve our environment. If we can stop pollution, our planet will become more and more beautiful and our health will be better. Let's be greener people! ,. Question: _   have made the earth change a lot. Yes or no, is the answer "Human beings"?
No

Article: Once upon a time, there was a farmer called Da Niu. One day he was walking in the forest and found a bird. The bird's was hurt and it cried. Da Niu picked it up and took it home. He looked after it carefully every day. The bird got well soon. One morning Da Niu enjoyed the sunshine next to the wall. The bird took his hat and flew away. Da Niu was very _ and ran after it. He shouted , "What a bad bird you are!" Suddenly he heard a big noise from his back. The wall he sat next to just now. fell down . Question: How did Da Niu treat the bird when it was hurt? Yes or no, is the answer "He looked after it carefully."?
Yes

Article: Everyone has a family name. My name is Jane Armstrong. Armstrong is my family name. What does Armstrong mean  ? Does it mean my arms are strong? But I am a slim girl. I don't like strong arms. My best friend is Lucy Long. Is she a long or a tall girl? No, she isn't. She is short. But she has long hair. Some family names come from jobs. My cousin's name is James Cook. Does it mean he can cook? No, he can't. And he doesn't like cooking at all. He only likes eating nice food. And he likes the TV show A Bite Of China (<<>> ), because it is all about nice food. Some people get family names from places. Ann Hill is my classmate. Is there a hill  near her home? Yes, there is one behind her home. But her uncle, Tom Hill, lives 20 kilometers from a hill. Question: Jane Armstrong   _  . Yes or no, is the answer "doesn't like strong arms"?

No