Wishing to encourage her young son's progress on the piano, a mother took her boy to a pianist's concert on a summer holiday evening. After they found their ________, the mother saw two friends in the hall and walked to ______ them.

It was the boy's first time to come to the hall. He thought it was a good ______ for him to explore the wonders of the concert hall. He ______ and walked around.   He walked ______ a door marked "NO ADMITTANCE"(禁止入内).

When the hall lights dimmed (变暗) , the ______ would begin.   The mother returned to her seat and discovered that her son was _______. The mother was ______ worried at that at the moment that tears (眼泪)   were in her eyes.

The concert began, and the lights focused on (聚焦于) the wonderful piano on stage. The mother was _______   to see her little boy sitting at the keyboard, playing the song Twinkle, Twinkle Little Star ______ he did at home.

       At that moment, the great pianist came, quickly moved to the piano and ______ in the boy's ear, "Don't stop. Keep playing. " He leaned over (俯身) and began filling in a bass part (低音) with his left ______, then added a running obbligato (伴奏) with his right hand. They played the piano together ______.   The old pianist and the   young novice (初学者) changed a frightening situation into a wonderful creative experience. The audience (观众) stood up and   ______ them.

There were many plants in a forest. When spring came, a pine tree saw a red rose nearby and said, "What a beautiful flower! I wish I were that lovely. "

The rose proudly said, "It seems that I am the most beautiful flower in this forest. "Then the rose looked at a cactus (仙人掌) and said, "Look at that ugly plant full of thorns（刺）! "

"What a proud flower! " thought the trees.

As the days passed. the red rose often looked at the cactus and said bad words about it, like "This plant is useless. How sorry I am to be his neighbor ! "

The cactus never got angry and even tried to advise the rose, saying, "God did not create any form of life without a purpose. "

Spring passed, and the weather became very hot. As there was no rain, the red rose began to wilt（枯萎）.

One day the rose saw birds put their beaks (喙) into the cactus and then fly away. The red rose asked the pine tree what the birds were doing. The pine tree explained that the birds were getting water from the cactus.

"The cactus has water?" asked the rose.

Yes, you can also drink some from it. The birds can bring water to you if you ask the cactus for help. "

The red rose felt too ashamed to ask for water from the cactus. But finally it did ask for help. The cactus kindly agreed.

The rose learned a lesson and never judged (评价) anyone by their appearance again.

   Shawneen Mountain is a perfect place for skiing. Lifts（电梯）can help tourists get to the top of the mountain in 3 minutes. The following is the price table of the lift tickets.

The Garbage (垃圾) Project started at the University of Arizona in 1973. Since then, the students and teachers in it have studied the modern garbage in different cities.

To study the garbage, the students had to travel to landfills (填埋场) , the places where cities bury (填埋) their garbage. While the students were studying the garbage they wore special clothes. Students were very careful when they opened bags of garbage.

One important thing the students have learned from studying the garbage is that the garbage in landfills disappears very slowly. That was surprising to both the students and many scientists who had thought that about 70 % of the garbage in landfills would disappear quickly. Even in cities where it rains a lot, the students found newspapers from 1948, 40-year-old hot dogs, and vegetables from 1970. And the students also found many more empty bottles of cola than they expected.

How to dispose of our garbage well depends on what kind of garbage it is: regular(普通的) garbage, dangerous materials, or recyclable materials, such as newspapers and glass bottles. Regular garbage goes to regular landfills. Dangerous materials are harmful to people's health and the environment. They shouldn't go into regular landfills.

Homes are full of dangerous waste. One kind of the dangerous waste in homes is batteries. When batteries are buried directly（直接地）in a landfill, they often break open. The poison inside them moves through rain water to the bottom of the landfill. Then it can pollute the natural water in the ground.

Another dangerous waste from homes is motor oil. When people pour old motor oil on the ground or throw it in the garbage, it pollutes the environment.

Our garbage problem is not new, but as the world's population continues to grow, it will become a bigger and bigger problem.

A young lady was driving a family car home with her father when they were caught in a heavy storm. The young lady was a little afraid and asked her father. "What should I do, stop or keep driving? "

Her father said, "Keep driving. "

After driving a few kilometers, the storm was becoming heavier and heavier. The young lady noticed that some cars and big transport trucks were pulling over（靠边停）to the side of the road. The young lady asked her father again if they should stop. But her father said nothing. So, she had to keep on driving.

Ten minutes later, the storm started to become small and she could see a little more clearly. After a couple of kilometers, she drove out of the storm. Moreover. the sun came out and the road ahead was dry.

Her father told her to stop and get out of the car.

"But why now, Father? " she asked in surprise.

Her father said, "When you get out, you can look back at all the people in cars and big trucks that gave up and they are still in the storm. Now, your storm is over because you didn't give up.

Don't give up, even if the stronger do. If you keep going, soon your "personal storms" will be over. The sun will shine on you again and the road ahead will be dry and clear.

Drones（无人机）are like planes, but come in many shapes and sizes. They have no pilots and controlled from outside the drones. During these years, they have been used to attack（进攻）enemies or moved goods in dangerous areas.

Now small drones are a part of people’s lives. For example, people use drones to take photos or make videos. Besides, a drone delivery (投递) service has proved successful.

Online store JD can use drones to deliver small packages（包裹）. It has built several drone stations so that it can load ( 装载) and deliver its packages.

Drones have made our shopping experience different. We can order a new coat in early morning and it will be delivered before we finish breakfast.

Bizzby Sky, a UK company, has created a delivery service for small goods. Open a smartphone app(应用软件) ,enter your address, set a time and pay enough money for the delivery service. Then in minutes, a drone will do tasks for you.

However, any drone company needs government permission (允许) to fly its drones in many countries. We believe we will see more and more drones with goods fly in the sky very soon.

To celebrate the 70th birthday of our motherland（祖国），_____________________________________