学进去

It is very important to stay healthy. I have a neighbor. She is an old lady. She can do all the housework, _______ newspapers, watch TV and search on the Internet to learn something new. I often see her do taijiquan in the morning and dance in the evening. She is over seventy _______ she looks young and beautiful. Last week a reporter from a magazine interviewed her and asked how she kept so young and healthy. She replied with a smile:

I have a secret of staying young and healthy. It is quite _______. Keep your mind active, take an interest in the world around you, and learn at least one new thing every day. Try to do different kinds of housework and do sports as _______ you can. Don't think you are too old to go back to school. I know a man who entered a medical college when he was 70 years old. He studied there for 6 years and now he is a doctor. Another man went to a tennis school at the age of 71 and now he is good at _______ tennis. Some people may say staying young is easy only for those who live in the future. In fact, no matter how old you are, you can make it.

Please tell the story to your family. It would be a good start to _______ the Lady's example. I hope all people will stay young and healthy.

The students were ___________their chemistry (化学) class. Miss Li was telling the children what water was__________. After that, She asked her students, "What's water?"___________one spoke for a few minutes. Miss Li asked again, "Why don't you answer my___________? Didn't I tell you what water is like?" Just then a boy put up his hand and said, "Miss Li, you told us that water has no colour and no smell. But___________to find such kind of water? The water___________the river behind my house is always black and it has a bad smell." Most of the children agreed with him. "I'm sorry, children," said the teacher, "Our water is getting dirtier and dirtier. That's a problem."

The red wood trees of Muir Woods near San Francisco are very famous. These trees are the _____ living things in the world. The highest one is about 110 meters high and hundreds of others are _____ very tall.

The red woods are also very old. Some of them are so tall and heavy that they fall over after a thousand years, but many of them stand for as long as two _____ years. When a tree dies, _____ one grows in its place.

Every year thousands of visitors come to Muir Woods to see the red woods. They ____ for hours through the ancient _____, looking up and trying to see tops of these wonderful trees.

Old Henry lived on a clean street in Green City. Every weekend Alan and his friends played soccer in the street. The children were too ________ for the old man to have a good rest.

One day, Old Henry told the children that he would give them ten dollars each weekend to ________ them play soccer in the street. He said, "I am so glad when seeing you play soccer happily." Alan and his friends were surprised to hear Old Henry’s words.

The ________ weekend after that, the boys went to play soccer near the old man’s house, and went away happily with ten dollars. The second weekend they also got ________ dollars. The third weekend, Old Henry said he spent his money on his grandson’s school things. So he ________ gave the children four dollars. The next weekend, Old Henry said he had a ________ and he spent his money on medicine （药）. He only gave them one dollar. After that, Alan and his friends didn’t play soccer in that street any more.