A90yearoldKenyangrandmotherhas-优题课

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Every winter in Alaska a race is held. But this is no ordinary race. Teams of dogs pull sleds（雪橇）along the snow and ice, (carry) up to 500 kg of supplies. A single driver is in charge of each team, and stands on the sled. This race (know) as Iditarod runs from the town of Anchorage to the village of Nome, a journey of more than l,800 kilometers. It usually takes the teams about ten days to complete the course.
The Iditarod is usually run in(extreme) difficult weather conditions.Daytime (temperature) range from zero to minus 40 degrees. Visibility（能见度）is often very poor, so drivers never allow (them) to become separated from their team of dogs., the drivers depend almost entirely on the dogs for their survival.
The origin of the race(go) back many years to a timesome medicine needed to be taken from Anchorage to Nome, a very remote village. Because of severe weather, the only way to send the medicine(be) to use dogs. Happily, the medicine was delivered justtime to save lives. To celebrate the heroic journey, Alaskans developed the Iditarod.

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Umbrella is what we easily forget and leave behind in our daily life. When the weather is fine, we certainly don’t think of it; only when it's raining, we’ll carry it purposefully. But as soon as the rain stops, most likely we’ll forget we’ve put it. It has to wait patiently and pitifully for owner to claim it, otherwise it’ll remain alone as a deserted umbrella.
Once I suddenly found my longtime (use) umbrella “disappeared” I really got lost and regretted quite some time my own carelessness.
Several days later, out of my (expect), I saw it quietly stand in a corner of the house where I worked. I was extremely glad to regain it. Looking carefully at it, though it was so familiar me, I found for the first time its wooden handle （wear）out as a result of repeated rain-wash for years. I sought for it only when I needed it. It occurred to me that I should have paid(much) attention to it.
It sets me thinking. Around us there are always people giving us support in silence just like umbrella that protects us from the rain or any wretched weather. Will gou think of those individuals have helped you get through difficulty when you are leading a comfortable life?

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How Learning Habits Influence On Learning Results. It’s useful and necessary to discuss learning habits. There is a famous saying “Good habits lead to good endings.”, shows the importance of habits.
“An apple a day keeps doctor away .”also shows how a healthy everyday habit helps to build up our body., good learning habits can help us gain great learning results(include) high scores and abundant knowledge. At first, learning habits form our ways of thinking and attitudesthe content of our learning. Obviously, a good habit can help us to speed up to reach our destinationswe can see, cultivating a good habit is so important I would like to introduce one kind of good learning habits----keep a learning diary every day. We can start the habit by(write) learning summary and remember to record something impressive and(mean). Keep it in mind, and gradually we can gain this good learning habit and benefit from it.
What’s more, I find out that I still have some bad learning habits as well. I can. concentrate on reading for a short time and I ( conquer) this problem by spending more effort on concentration practice.
I believe that through my efforts, I can gain good learning results by having good habits.

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Computers and Internet networking are common in the American workplace. They play______(increasing) important roles______children’s education, communication with friends and family, and entertainment. Every aspect of modern life_____ (affect) by computers, and developing digital information literacy(读写能力) is essential in the 21^st century.
Computer education is especially key for students, from primary through graduate school. Students today are expected_____(conduct) researches on the Internet, complete homework online,_______make use of presentation software in class discussions. What’s more,______ (train) in basic software programs is considered elementary for most white-collar positions. Additionally, communication through email is _____office means as well, and employees must learn to manage multiple means of communication, _____(include) the latest technology.
High schools often have computer literacy instructions and graduation _______(require) as educators realize_____ their graduates need basic computer and software skills to be employable in positions beyond minimum wage service jobs.

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Edison was one of the greatest scientists that greatly shaped modem society.
When he was seven, Edison's family moved from Ohio to Michigan after his father got a job there. Because of hearing problems, he had difficulty(follow) the lessons and often ran away from school. However, he used the time(read) books and set up a laboratory in his home. But the smell from his laboratory was often so stronghis mother had to stop him from carrying out any more experiments at home.
At the age of twelve, Edison got a job on the Grand Trunk Railway. There, he made use of an abandoned (被抛弃的) car his laboratory. During that time, he (success) developed a device (设备) that could send messages. By 1869, Edison' s inventions in telegraphy were widely accepted, made him decide to leave the job and become a full-time (invent). Edison's most' "well-known" inventions included the electric light bulb, microphones and so on. In explaining he could come up with so many inventions, Edison said "Genius is one per cent inspiration and ninety-nine per cent perspiration."
Edison(die) at the age of 84 on October 18, 1931. At the time of his death, he was still doing experiments in his laboratory in West Orange, New Jersey. He clearly enjoyed his work and lived life to fullest.