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As you know it, food shortages have hit many countries in the world and even cause social unrest in some areas. But who is responsible for the current world food crisis? First, annual world grain output has declined because climate change. Then lots of farmland have been lost due to the rapid development of industry and urbanization. Then how should we do to deal with the problem? On one hand, we should focus on the environmental protection or improve the ecology. On other hand, strict measures should be taking to protect farmland. And for the moment, I think, we should study hardly to develop sciences and solve the food shortage in the future.

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Windmills(·ç³µ)dot the landscape,producing a renewable energy source.Our pioneer ancestors established windmills as a means of bringing water to the surface.To tell the truth,the history of wind energy is very long.Since early recorded history,people have been harnessing the energy of the wind.Wind energy drove boats along the Nile River as early as 5000 BC.By 200 BC,simple windmills in China were pumping water,while well-designed windmills were grinding(Ä¥)grain in Persia and the Middle East.

New innovations and curiosity helped spread interest in windmills and wind power.Middle Eastern citizens used them for food production by the 11th century.Merchants along trade routes returned to Europe and shared the idea.Windmills caught on,especially in Holland,and the Dutch improved their use.Here,windmills drained lakes and other bodies of water.In France,the windmill pumped irrigation water.Elsewhere in Europe,windmills were used to grind grain.

By the 19th century,settlers in the United States realized the importance of the simple windmill.Pioneers pumped water for livestock(ÉüÐó)and farming.As estimated six million windmills dotted America¡¯s landscape by the end of the 1880s.Charles Brush,the US inventor,invented a windmill capable of producing electricity in 1888.And now the machines are called wind turbines.As late as the 1920s,Americans used small windmills to provide electricity in rural areas without electric service.When power lines began to transport electricity to rural areas in the 1930s,local windmills were used less and less,though they can still be seen on some Western farms.

In the 1970s,oil shortages pushed the development of alternative energy sources,paving the way for the re-entry of the windmill to produce electricity.In the early 1980s,wind energy really took off in California,partly because of State policies that encouraged renewable energy sources.In the 1990s,the push came from a renewed concern for the environment in response to scientific studies indicating potential changes to the global climate if the use of fossil fuels continues to increase.Wind energy is an economical power resource in many areas of the country.

Wind energy isn¡¯t a new phenomenon,but using wind turbines to create and use electricity is a trend that continues to sweep across the globe.

1.The underlined word ¡°harnessing¡± in Paragraph 1 is the closest in meaning to ¡° ¡±.

A.having influence on

B.controlling and using

C.talking about and studying

D.showing interest in

2.As for the application of windmills,Europe .

A.became well-known all over the world first

B.first began food production

C.increased trade activities with other places

D.followed the example of the Middle East

3.According to the passage,Charles Brush .

A.created the first electricity-producing machine in the world

B.first used windmills in the US

C.was a pioneer in producing electricity from wind

D.improved the economic strength in rural areas of the US

4.What is the best title for the passage?

A.The importance of wind power

B.How does wind energy work?

C.The history of wind energy

D.When was wind power first used?

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Dear Mandy£¬

I'm not doing well in my lessons at school, especial in maths. My dad says I must try hard because he wants me go to university. He thinks I'm lazy£¬but it's not true. I work really hard,often study late into the night! I've tried to talk to my mother£¬but she always said I have to work as hard like my brother does. My brother doesn't study very hard£¬and he always gets excellent grades. It's not fair! The only thing I like it is art. My teacher says I'm the best student she's had for year. When I told my dad£¬all he said was£¬¡° You mustn 't waste your time in art. You must focus your mind on your lessons! ¡±I'm feeling quite puzzling as to what to do now. Would you please help me out?

Thanks a lot!

Yours sincerely£¬

Lisa

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4¡¢²Î¿¼´Ê»ã£ºa key period of reform ¸Ä¸ïµÄ¹Ø¼üʱÆÚ£»

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Dear brother,

How time flies!

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Yours,

Li Hua

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To Mr. Alcohol

You¡¯ve been with us for a long time. I won¡¯t forget all the pain you¡¯ve caused for us.

Do you remember the night you almost took my father¡¯s life? I do. He loves you. Sometimes I think he loves you more than he loves me. He¡¯s addicted to you, to the way you promise to rid him of his problems only to cause more of them. You just sat back and laughed as his car went spinning through the street, crashing into two other cars. He wasn¡¯t the only one hurt by you that night.

Do you remember the night of my first high school party? You were there. My friends were intrigued by you. They treated you as if they were never going to see you again, drinking all of you that they could. I spent two hours that night helping my friends who had fallen completely. ¡°I¡¯m so embarrassed,¡± they said as I held their hair back so that they could vomit (Å»ÍÂ). ¡°I¡¯m sorry,¡± they said when I called taxies for them, walking them out and paying the driver in advance. ¡°This won¡¯t happen again,¡± they said as they were sent to the hospital to have their stomachs pumped (ϴθ). Two 15-year-old girls slept in hospital beds that night thanks to you.

Do you remember the night when you took advantage of my 17-year-old neighbor who had to drive to pick up his sister from her dance lessons? Do you know how we all felt when he hit another car and killed the two people in the other car? He died the next morning too. His sister walked home from her dance lesson, and passed police cars and a crowd of people gathering on the sidewalk just two blocks away from the dance studio. She didn¡¯t realize her brother was in the midst of it all. She never saw him again. And it¡¯s all your fault.

I wish you¡¯d walk out of my life forever. I don¡¯t want anything to do with you. Look at all the pain you¡¯ve caused. Sure, you¡¯ve made people happy too from time to time. But the damage you¡¯ve caused in the lives of millions is inexcusable. Stop luring£¨ÓÕ»ó£©in the people I love. Stop hurting me, please.

1.What is author¡¯s purpose in writing to alcohol?

A. To introduce Mr. Alcohol to the readers

B. To show how much alcohol can hurt people.

C. To describe the harm alcohol did to his family.

D. To show the great fun that alcohol can bring to people¡¯s life.

2.What did alcohol do to the author¡¯s father?

A. It made him crash into two other cars and took his life.

B. It made him drink too much and he had to get his stomach pumped.

C. It made him kill two other people when driving.

D. It made him get into a car accident and badly injure himself.

3.The underlined word ¡°intrigued¡± in paragraph 3 probably means________.

A. startled B. fascinated

C. accepted D. warned

4.What is the tone of the article?

A. Humorous. B. Doubtful.

C. Unconcerned(Ä®²»¹ØÐĵÄ). D. Critical(ÅúÅеÄ).

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Uncivilized behavior by passengers unacceptable

For the first time, airline passengers have been blacklisted for uncivilized behavior. Their names will remain on the blacklist for one or two years, according to an announcement by the China Air Transport Association on Saturday. The blacklisting means they will not be able to travel by air until their names are removed from the list.

Blacklisting passengers who disobey the rules for traveling by air and so place their own interests before everything else, including safety, has long been overdue (³Ùµ½µÄ£¬ÑÓ³ÙµÄ).

There have been frequent reports of passengers making a scene when their flight was delayed or when they believed that they were not treated as they should be on a flight.

Yet it is natural for some flights to be delayed because of reasons such as bad weather or mechanical problems that need to be solved. However, some passengers seem to take it for granted that their flight must take off at the time stated on their ticket, and they even assume that the members of the cabin crew are simply there to do their bidding(·Ô¸À).

They forget that they should behave themselves in the first place and that respect is reciprocal (»¥Ïà¸øÓëµÄ).There is no reason for them to be respected when they do not show enough respect for others.

Observing rules can never be over-emphasized when it comes to flight safety. No one has the right to disregard the rules for any reason. Of course, airlines should provide quality services to meet the needs of passengers. Yet, even if passengers are not satisfied with the service provided, there is still no reason for them to flout the rules that are designed for the safety of all.

The blacklisting of these three passengers should serve for others to know they have to toe the line (˳´Ó¼¯Ìå).

1.Which of the following statements is TRUE?

A. Never before have airline passengers been blacklisted.

B. At no time should flights be delayed, whatever the reasons.

C. Members of the cabin crew should be at the passengers¡¯ service at any moment.

D. If an airline passenger is blacklisted, he or she will never be allowed to travel by air.

2.The underlined word ¡°observing¡± in paragraph 6 is closest in meaning to ________.

A. abolishing B. violating

C. setting D. obeying

3.According Paragraph 4, the author¡¯s attitude towards some passengers is ________.

A. Tolerate B. Curious

C. Critical D. Neutral

4.The text is most probably taken from ________.

A. a research paper B. a newspaper report

C. an advertisement D. a flight guide

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Getting your children to study can be a little like getting them to eat their vegetables.

1. Make a study time and have it at the same time every day. This will help your kids to learn to schedule their day and will give them a sense of control over how they spend their time.

Allow them to study in blocks of time£¬such as for half an hour with a five?minute break in the middle. 2. Ideal(ÀíÏëµÄ) study times are after dinner or right after school before dinner.

Never allow your children to study in front of the television£¬for that will encourage passive activity. 3.

You'll also need to help your kids find the right place to study. After you've set up a good study time for little learners£¬set up a good place where they can get those creative juices flowing.

4. Make sure there is a table or a desk and a comfortable chair at this place.

5. This includes helping them out with their homework sometimes and being there for them with the answers to any questions. The input you give your children during study periods will help form a bond and help make studying enjoyable.

A. Pick a place where your children can study properly.

B. Hold them to the schedule they create for themselves.

C. Finally£¬spend time with your kids when they're studying.

D. Keep the atmosphere light and offer lots of encouragement£¬too.

E. Instead£¬use TV as a treat or a reward when the homework is completed.

F. Try to stop this bad habit by offering some sort of reward.

G. One of the best ways to form good study habits for your kids is to design a schedule that they keep to.

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California is the third largest state in the USA but has the largest population. Also 1. is the most multicultural state in the USA, having 2. (attract) people from all over the world. The first settlers are believed to have arrived there 3. means of a land bridge across the Bering Strait. No one knows 4. the first people arrived in California. 5. , it is likely that Native Americans were living in California at least 15 thousand years ago. In the 18th century California 6. (rule) by Spain. In 7. early 1800s, Russian hunters began settling in California, then gold 8. (mine) and later arrivals. Now people from different parts of the world still immigrate to California. It is believed 9. before long California will be a mixture of many races and cultures, without distinct major 10. (race) or cultural groups.

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When we think about the dreams we have, it is surprising to see how many people failed even if they could have succeeded. So today I¡¯m going to tell you five ways to kill your dreams.

Believe in overnight success.

Everyone knows the story of a tech guy who built a mobile app and sold it for a lot of money. ___1.___ If you investigate further, you will find that he is well educated and has been working on the project for 20 years. Therefore, your overnight success is always a result of what you¡¯ve done in your life.

___2.___

Constantly, people around you always have opinions on which path you should take. But whichever way you choose, there are other ways you have to pick as well. And one day you need to solve those problems yourself.

Decide to rest when success is guaranteed.

When your life is going great and everything is set¡ªtime to rest. Actually, when you¡¯re growing towards a peak, you need to work even harder and find yourself another peak. If you were content with what you¡¯ve accomplished, it would stop you from a greater success. ___3.__

Believe the fault is someone else¡¯s.

I constantly see people saying, ¡°I created this great product, but the market is so bad.¡± If you have dreams, it¡¯s your responsibility to make them happen. Yes, the market may be bad. But if no one bought your product, surely there is something there that is your fault. ___4.___

Believe that the only things that matter are the dreams themselves.

Achieving a dream is a short moment, but your life is not. _5.__ And the only way to really achieve all of your dreams is to fully enjoy every step of your journey.

A. When we face difficulties, believe in ourselves.

B. The overnight success inspires so many people.

C. The story may seem real, but I bet it¡¯s incomplete.

D. Be responsible for your own dreams.

E. Life is never about the goals themselves.

F. There¡¯s no time to settle down.

G. Believe someone else has the answers for you.

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