阅读下面短文，根据其内容写一篇60词左右的内容概要。
A 15yearold boy planned to put a ball covered with petrol into his mouth and set it on fire. He would film the dangerous action and put it on YouTube. And, he hoped to become famous on the Internet. But things didn't go the way he imagined. His clothing caught fire, and he was rushed to the hospital with serious burns on his body.
YouTube hosts millions of videos of people attempting dangerous actions. Many of them are by kids and young adults. Some experts say that by hosting these videos, YouTube encourages young viewers to take deadly risks. Research by the Centers for Disease Control and Prevention shows that more than 180，000 Americans die from accidental injuries each year. That's one person every three minutes. More than 14，000 of those killed are kids under the age of 19. Is YouTube to blame?
People have always found it interesting to watch others try risky things. Audiences are mad about these kinds of things. Some of the earliest Greek comedies had characters followed by wild animals and knocking into walls. Now, in the age of the Internet, anyone with a camera and a YouTube account can create this kind of “fun”. Many viewers, especially teenagers, are influenced by what they see and want to try it themselves. “YouTube has taken the playing in the neighborhood to a worldwide level，” says Clair Mellenthin, a researcher from the Centers.
Supporters of YouTube argue that it isn't YouTube's responsibility to examine its content. “Parents should be the ones to make sure that kids are behaving safely，” they say. In fact, YouTube has a rule on content. For example, dangerous activities that have a risk of serious physical harm or death are not allowed. Staff of YouTube, carefully watch the website 24 hours a day, looking for videos that are against their rules. But is this enough?
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假定你是Teens 杂志社“悄悄话(Secret Words)”的栏目编辑David，刚收到李华的一封求助信(信件内容附后)。请阅信后给他回一封信。内容包括:
1. 感谢对方信任，并表明写信目的；
2. 肯定对方的优点；
3. 回应他的困惑。
注意:1. 词数100左右；
2. 开头和结尾已给出，不计入总词数；
3. 可以适当增加细节，以使行文连贯。
Dear David，
I'm Li Hua, a faithful reader of Teens. I'm writing to ask you for help.
I'm under psychological pressure now. To be honest, I'm a motivated boy, so I always expect myself to be perfect in every aspect. But the truth is that I can't always satisfy myself or meet others' expectations. I feel so tired and helpless. What should I do next? Can you help me?
Looking forward to your reply.
Yours sincerely，
Li Hua
Dear Li Hua，
I'm glad to hear that you are a faithful reader of Teens.
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Yours sincerely，
David
阅读下面材料，在空白处填入适当的内容(1个单词)或括号内单词的正确形式。
Diet and way of life are often a problem for teenagers. 1.， the good news is that you can feel better, look better and have more energy if you eat the right food and exercise regularly.
Healthy eating along with regular exercise 2.(be) probably the only way to become fit. Diets are 3.(use) in the long term, yet approximately 20% of teenagers say they have tried going on a diet and been fooled into 4.(skip) meals to control their weight.
As a teenager, it is important to give your body the energy it needs. Exercise is something 5. can help to make you look good, feel good and be healthy. Many teenagers are surprised to learn that when you exercise, your body produces some chemicals that make you feel 6.(peace) and relaxed and increase your ability 7.(concentrate) when you study.
A good amount of sleep every night is also important for your health. When you sleep, your body prepares you 8. the day to come. As a matter of fact, 9.(lose) of sleep can make you look tired.
If you follow the suggestions above, you 10.(look) and feel much better in no time at all!
At least thirty times Bobby had tried to climb the snowy mountain, but he had never______ the top. His friend Peeper, who knew a lot about his failures, ______ Bobby to try again. He gave Bobby a pair of ______ and said, “If it starts clouding over, put on the glasses, or if your feet start hurting, put them on too. The glasses are very ______. They'll help you.” Bobby ______ the gift without much thought.
The day came when he was to have another ______. About two hours after he started, he felt his feet hurting. Then he ______ what Peeper had said, and put on the glasses. The pain was pretty bad, but ______ the sunglasses he could clearly see the snowcovered mountain top, so he went on.
______， clouds were gathering. But this time Bobby could still see the ______ through the clouds. He kept ______， leaving the clouds behind, forgetting his pain, and finally arriving at the top. It was certainly worth it. His feeling of ______ was extremely good, almost as great as that ______ view.
The mountain below was surrounded by a sea of clouds. He couldn't believe that the clouds were as ______ as that, so he looked more closely at the sunglasses, and discovered the ______. Peeper had engraved(镌刻) the snowcovered mountain top on the sunglasses, ______ Bobby could see it when he was looking upwards! Bobby ______ that the only obstacle(障碍) to reaching the top had been losing ______ when he couldn't see the mountain top. He was thankful that Peeper had used that little ______to help him see that his ______ was never impossible, and that it was still there, where it had always been.
1.A.left B.reached C.jumped D.ran
2.A.encouraged B.ordered C.allowed D.warned
3.A.gloves B.trousers C.shoes D.sunglasses
4.A.real B.safe C.special D.expensive
5.A.sent B.gave C.accepted D.got
6.A.try B.start C.test D.training
7.A.remembered B.expressed C.forgot D.regretted
8.A.under B.with C.for D.about
9.A.Happily B.Hopefully C.Unfortunately D.Unnecessarily
10.A.friend B.top C.climber D.village
11.A.running B.swimming C.climbing D.flying
12.A.success B.decision C.freedom D.friendship
13.A.strong B.popular C.bad D.wonderful
14.A.cool B.natural C.thick D.wide
15.A.way B.words C.book D.secret
16.A.so B.or C.if D.though
17.A.suggested B.realized C.expected D.announced
18.A.love B.help C.face D.heart
19.A.trick B.word C.plan D.opinion
20.A.position B.lesson C.aim D.story
How to Improve Your English
Define your learning objectives early: what do you want to learn and why? Make learning a habit. 1. It is much better to study (or read, or listen to English news, and so on) for 10 minutes each day than to study for 2 hours once a week.
Choose your materials well. You will need reading, grammar, writing, speaking and listening materials—beginners can use a basiclevel English guide, and then move on to an advancedlevel English guide. 2. It will make learning more enjoyable—thus more effective.
Vary your learning routine. It is best to do different things each day to help keep the various relationships between each area active. 3.
4. Learning English together can be very encouraging. You can find friends to speak English on the Internet.
Relate grammar to practical usage. Grammar by itself does not help you use the language. You should practice what you are learning by employing it actively.
Move your mouth! Understanding something doesn't mean that the muscles of your mouth can produce the sounds. 5. It may seem strange, but it is very effective.
Be patient with yourself. Remember that learning is a process—speaking a language well takes time. It is not a computer that is either on or off!
A. The Internet is the most exciting, unlimited English resource.
B. Try to learn something every day.
C. Practice speaking what you are learning aloud.
D. In other words, don't just study grammar.
E. Find your own interests.
F. Choose articles that relate to what you are fond of.
G. Find friends to study and speak with.
When a leafy plant is under attack, it doesn’t sit quietly. Back in 1983, two scientists, Jack Schultz and Ian Baldwin, reported that young maple trees getting bitten by insects send out a particular smell that neighboring plants can get. These chemicals come from the injured parts of the plant and seem to be an alarm. What the plants pump through the air is a mixture of chemicals known as volatile organic compounds, VOCs for short.
Scientists have found that all kinds of plants give out VOCs when being attacked .It’s a plant’s way of crying out. But is anyone listening? Apparently. Because we can watch the neighbours react.
Some plants pump out smelly chemicals to keep insects away. But others do double duty. They pump out perfumes designed to attract different insects who are natural enemies to the attackers. Once they arrive, the tables are turned. The attacker who was lunching now becomes lunch.
In study after study, it appears that these chemical conversations help the neighbors .The damage is usually more serious on the first plant, but the neighbors, relatively speaking, stay safer because they heard the alarm and knew what to do.
Does this mean that plants talk to each other? Scientists don’t know. Maybe the first plant just made a cry of pain or was sending a message to its own branches, and so, in effect, was talking to itself. Perhaps the neighbors just happened to “overhear” the cry. So information was exchanged, but it wasn’t a true, intentional back and forth. Charles Darwin, over 150 years ago, imagined a world far busier, noisier and more intimate(亲密的) than the world we can see and hear. Our senses are weak. There’s a whole lot going on.
1.What does a plant do when it is under attack?
A.It makes noises. B.It gets help from other plants.
C.It stands quietly D.It sends out certain chemicals.
2.What does the author mean by “the tables are turned” in paragraph 3?
A.The attackers get attacked.
B.The insects gather under the table.
C.The plants get ready to fight back.
D.The perfumes attract natural enemies.
3.Scientists find from their studies that plants can ________.
A.predict natural disasters
B.protect themselves against insects
C.talk to one another intentionally
D.help their neighbors when necessary
4.What can we infer from the last paragraph?
A.The world is changing faster than ever.
B.People have stronger senses than before
C.The world is more complex than it seems
D.People in Darwin’s time were imaginative.
