I have had thousands of classes since I started school nine years ago. But only one 36 was the most important.
It happened last term just after I had got a 37 result in an exam. I was sad and had lost my confidence. I decided to go to a class which can tell me how to be 38 .
The speaker walked into the room. But he did not start talking 39 a teacher. Instead, he held up a twenty yuan note(钞票) !
“Who wants this?” he asked. Unsurprisingly, 40 of us in the class held up our hands.
The speaker smiled. Then he put up the note on the blackboard and asked the same question. Again, we all put up our hands. The speaker smiled again, but 41 nothing. Suddenly, he threw the note onto the floor! Then he asked the same 42 a third time.
I didn’t 43 what the speaker was doing. Why was he asking the same question again and again? I didn't know what to do. I wanted the note, 44 I put my hand up again. After a while, he 45 the note and started to laugh. “You have all just told me how to become successful,” 46 said to us with the note in his hand.
“The note is worth twenty yuan. It is 47 worth twenty yuan, even though I throw it on the floor. You are like the note. No matter 48 happens to you, you still have your worth.”
When I heard those words, I was deeply moved. Suddenly, I 49 I was worth a lot. I may have done badly in an exam, but it doesn't 50 I can’ t do well in the future. If I believe in myself, I will be successful!
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The weather is getting hotter. You are thirsty playing basketball or riding home from school. A cold drink may be just the thing. But be careful what you are drinking. Something that looks cool may not be good for your health.
There are plenty of "energy drinks" on the market. Most of them have beautiful colors and cool names. The lists on them tell you they are helpful to your health. Sounds great!
But after a careful check you may find that most energy drinks have lots of caffeine (咖啡因) in them. These drinks are especially aimed at young people, students, busy people and sports players. Makers sometimes say their drinks make you better at sports and can keep you awake. But be careful not to drink too much.
Caffeine makes your heart（心脏）beat fast. Because of this, the International Olympic Committee has limited(限制) its use. Caffeine in most energy drinks is at least as strong as that in a cup of coffee or tea. Possible health dangers have something to do with energy drinks. Just one box of energy drink can make you nervous, have difficulty sleeping and can even cause heart problems. Scientists say that teenagers should be discouraged from taking drinks with a lot of caffeine in them.The main reason for people not to drink too much energy drinks is that they may cause .
| A．heart problems | B．nervousness |
| C．sleeping difficulty | D．possible health dangers |
The underlined word "discouraged" can be replaced(替换) with "________".
| A．encouraged | B．stopped | C．helped | D．disliked |
From the passage we can know that _________.
| A．advertisements are important in getting people to buy energy drinks |
| B．energy drinks are helpful to teenagers' study |
| C．sports players need to drink a lot of energy drinks |
| D．energy drinks are especially aimed at teenagers |
| Improve Sleep Good health needs good sleep. Going to bed before you're tired. Not eating or reading in bed. Go to bed at the same time before midnight and get up at the same time. Your body likes routine for a good night's sleep. |
| Stay away from the Flu Studies show that a cold or flu virus can live on our hands for a long time. So wash all parts of your hands often with soap and water. For more ways to prevent the spread of the flu, please call Health Line at 1800-848-1313. |
| Oral Health Brush your teeth twice a day and visit the dentist at least once a year. The mouth is a mirror of disease. The oral examination is not only for the health of teeth, but the whole body. For more of it, please visit www.mydr.com.au. |
| Fit for Life Studies have shown that many diseases have something to do with less or no physical activity. Try to do it for 30 minutes a day, 5 days or more a week. For more information, please call Health Line at 1800-438-2000. |
If you want to get a good sleep, you'd better _______.
| A．go to bed after you're tried | B．go to sleep at midnight |
| C．follow the bedtime routine | D．eat something or read in bed |
You should visit the dentist at least once a year because_______.
| A．the oral examination is necessary | B．you don't often brush your teeth |
| C．some diseases may be in the mirror | D．you don't have a good night's sleep |
Studies have shown that many diseases have something to do with_______.
| A．having no oral examination | B．washing hands with cold water |
| C．sleeping too late sometimes | D．doing little physical activity |
When you want to learn more about the flu, you can_______.
| A．visit www.mydr.com.au | B．call Health Line at 1800-848-1313 |
| C．visit the dentist in your place | D．call Health Line at 1800-438-2000 |
After spending years searching for a planet with life, scientists may have found one. In September 2010, a team of US scientists discovered an Earth-sized planet called Gliese 581g. It has a surface temperature neither too hot nor too cold for liquid（液态）water. Scientists think there is a chance that the planet could have life.
The planet Gliese 581g goes around a star called Gliese 581, which is about 20 light-years from Earth. That is about 194 trillion（万亿）kilometres －500 million times farther away from us than the moon.
A spacecraft traveling at a one-tenth of the speed of light would reach Gliese 581g within about 220 years. A human can’t live that long, but robotic explorers could make the job easier. However, our fastest spacecraft don’t come anywhere near that one-tenth light-speed mark.
At present, scientists don’t know what the surface might be like on Gliese 581g. What they know is that the planet is at the right distance from its star to have liquid water. It’s also at the right distance to have an atmosphere that could protect the water if it is on the surface.
Although spacecraft won’t be getting there anytime soon, one way to look for life on Gliese 581g is to turn our radio telescopes（望远镜）towards the planet and search for radiation（放射）. By studying the radiation, scientists would find out about the chemicals（化学物质）around the planet and discover if Gliese 581g has an atmosphere. If it has one, studying the atmosphere would give us a good idea whether the planet has life or not. But it’ll probably be many years before we can do this properly.
People have been arguing about whether there is alien life on Gliese 581g. Any discussion about alien life is just guessing at this point, according to its discoverers.What did scientists find in September 2010?
| A．A planet with water. | B．A planet similar to the earth. |
| C．A planet without life. | D．A planet near the earth. |
According to the article, Gliese 581g ________.
| A．is at the right distance from its star | B．moves around the earth |
| C．is as far away from us as the moon | D．can be reached in about 220 years |
Paragraph 5 is mainly about ______.
| A．the possibility of living on Gliese 581g |
| B．the kinds of chemicals around Gliese 581g |
| C．the way of looking for life on Gliese 581g |
| D．the aim of studying the radiation on Gliese 581g |
Which of the following is the best title for the passage above?
| A．Gliese 581g, a Likely Living Planet | B．Gliese 581, a Likely Living Planet |
| C．Gliese 581g and Its Star | D．Gliese 581g and Radiation |
Look carefully at the back of a California state quarter. A man with a walking stick is pictured there. A bird called a California condor(大秃鹫)is flying overhead. Who is this man, and why is he so important that he is featured(处于显著地位)on the back of a coin?
The man on this quarter is John Muir. Even as a child, Muir loved watching nature. As a young man, he spent much of his life exploring the beauty of the wilderness. He walked more than a thousand miles across the country, through fields and woods. John Muir liked writing about the places he visited, describing their beauty.
Muir also wrote about problems. In order to create more farmland for sheep and cattle, many trees were being cut down. This made Muir unhappy and worried, because he knew that trees were important to forests and to the animals that lived in them．Muir believed that nature should be conserved(保护)instead of being changed by human beings. He wrote articles in magazines and newspapers to spread the word about conserving forests. Soon, others began to listen.
Muir wrote letters to important people, such as President Theodore Roosevelt. The president admired Muir’s love for nature. When Roosevelt came to visit Muir in California. Muir convinced(说服)the president to go camping with him for three nights under the trees so they could talk about conservation. Later, President Roosevelt set aside 148 million acres of land for national forests and established(建立)five national parks. National parks are large areas of land that are protected from development. This means that people cannot build homes or businesses there. One of these parks is Yosemite National Park, the area that is featured on the back of the California quarter.
Though it has been almost one hundred years since John Muir died, people continue his work today. His work as a conservationist helped us to see the beauty of our natural world. John Muir made us understand the importance of protecting our earth and our resources---then, now, and for the future.Why did President Theodore Roosevelt visit John Muir?
| A．Because Roosevelt loved watching nature. |
| B．Because Roosevelt received letters from John Muir. |
| C．Because Roosevelt admired John Muir’s love for nature. |
| D．Because Roosevelt was sad about the problems with farmland. |
Why is John Muir featured on the back of a California state quarter?
| A．Because he walked over a thousand miles across the country. |
| B．Because he helped people understand the importance of protecting the natural world. |
| C．Because he wrote articles to spread the word about conserving forests. |
| D．Because he once wrote several letters to President Theodore Roosevelt. |
What is the writer’s purpose of writing this article?
| A．To advise readers to become active conservationists. |
| B．To make us interested in the story about a great man. |
| C．To tell us something about an important person in history. |
| D．To give information about how to conserve the environment. |
Every time you turn on the television or take a ride in a car ,you could be adding to a problem called acid rain(酸雨). In this article, you’ll learn how acid is created, and how it affects us, and more importantly, what we all can do to prevent it.
How is acid rain created?
When people use fuels(燃料), such as coal and gasoline, poisonous gases are given off. When these gases mix with rain, acid rain forms. Many power stations burn fuels in order to create the electricity(电) that we use in our homes and offices every day. Cars and trucks also send these gases into the air when they burn gasoline .When rain mixes with these gases, harmful things called acids form. This is acid rain.
How does acid rain affect us?
Acid rain damages(毁坏)everything that it touches. It poisons our rivers, ponds, lakes, and oceans along with all the life in them. It pollutes our soil and crops, harms trees, and can even kill fish and plants. Acid rain also eats away at buildings.
How can we prevent acid rain?
We need to cut down on the pollution that gets into our air. Turn off lights, television, and other electrical appliances if you are not using them, Walk or take a bike whenever possible. If you are travelling a long distance, take a bus or train to save fuel.
As research shows, acid rain harms our environment. But people everywhere can take small steps now to help protect our environment for future generations.When power stations burn fuel, _______.
| A．acid rain form | B．air pollution is caused |
| C．noise pollution is caused | D．acid rain gets heavier |
What advice does the article give us?
| A．Go to school on foot or by bike if we can. |
| B．Go to bed earlier in order to use less electricity. |
| C．Travel by bus to prevent acid rain. |
| D．Turn off the television on rainy days. |
What is the best title of the article?
| A．Preventing Acid Rain | B．Forming of Acid Rain |
| C．Acid rain, Heavy Rain | D．Acid Rain, Killer Rain |
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