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One day I was thinking of something new to read.When I asked my sister for1.(suggest),she told me to read A Child Called "It".After reading this book,it2.(natural) became my favorite book.It taught me a lot of necessary things in life many people don't bother to appreciate until they're3.(miss).

This book has inspired me in many ways.It made me realize that I'm so fortunate to have a caring and loving mom.As I read the book,I4.(notice) what the boy wanted was love from his mom,but that was impossible for him to get.5.,his mom would abuse him.This book also taught me to appreciate and be happy6.what I have.I often cry because I'm unable to get new shoes or clothes.The child in the book was hardly surviving with the things7.he had.He hardly had enough clothes over8.(he) body to keep him from freezing and he didn't even have shoes.

Until this day,A Child Called "It"9.(be) still my favorite book.10.(inspire) by this book,I'm sure to become a better person.

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Batteries can power anything from small sensors to large systems. While scientists are finding ways to make them smaller but even more powerful, problems can arise when these batteries are much larger and heavier than the devices themselves. University of Missouri(MU) researchers are developing a nuclear energy source that is smaller, lighter and more efficient.

“To provide enough power, we need certain methods with high energy density(密度)”, said Jae Kwon, assistant professor of electrical and computer engineering at MU. “The radioisotope(放射性同位素) battery can provide power density that is much higher than chemical batteries.”

Kwon and his research team have been working on building a small nuclear battery, presently the size and thickness of a penny, intended to power various micro / nanoelectromechanical systems (M/NEMS). Although nuclear batteries can cause concerns, Kwon said they are safe.

“People hear the word ‘nuclear’ and think of something very dangerous,” he said, “However, nuclear power sources have already been safely powering a variety of devices, such as pace-makers, space satellites and underwater systems.”

His new idea is not only in the battery’s size, but also in its semiconductor(半导体). Kwon’s battery uses a liquid semiconductor rather than a solid semiconductor.

“The key part of using a radioactive battery is that when you harvest the energy, part of the radiation energy can damage the lattice structure of the solid semiconductor,” Kwon said, “By using a liquid semiconductor, we believe we can minimize that problem.”

Together with J. David Robertson, chemistry professor and associate director of the MU Research Reactor, Kwon is working to build and test the battery. In the future, they hope to increase the battery’s power, shrink its size and try with various other materials. Kwon said that battery could be thinner than the thickness of human hair.

1.Which of the following is true of Jae Kwon?

A. He teaches chemistry at MU.

B. He is working on a nuclear energy source.

C. He developed a chemical battery.

D. He made a breakthrough in computer engineering.

2.Jae Kwon gave examples in Paragraph 4_________.

A. to introduce nuclear batteries can be safely used

B. to show chemical batteries are widely applied

C. to introduce various energy sources

D. to describe a nuclear-powered system

3.Liquid semiconductor is used to _________.

A. get rid of the radioactive waste

B. test the power of nuclear batteries.

C. reduce the damage to lattice structure.

D. decrease the size of nuclear batteries

America is growing older. Fifty-eight years ago, only 4 out of every 100 people in the United States were 65 or older. Today, 10 out of every 100 Americans are over 65. The aging of the population will affect American society in many ways—education, medicine, and business. Quietly, the graying of America has made us a very different society—one in which people have a quite different idea of what kind of behavior is suitable(合适的) at various ages.

A person’s age no longer tells you anything about his/her social position, marriage or health. There’s no longer a particular year in which one goes to school or goes to work or gets married or starts a family. The social clock that kept us on time and told us when to go to school, get a job, or stop working isn’t as strong as it used to be. It doesn’t surprise us to hear of a 29-year-old university president or a 35-year-old grandmother, or a 70-year-old man who has become a father for the first time. Public ideas are changing.

Many people say, “I am much younger than my mother—or my father—was at my age.” No one says “Act your age” any more. We’ve stopped looking with surprise at older people who act in youthful ways.

1.It can be learnt from the text that the aging of the population in America________

A. has made people feel younger

B. has changed people’s social position

C. has changed people’s understanding of age

D. has slowed down the country’s social development

2.The underlined word “one” in the first paragraph refers to ________.

A. a society B. America

C. a place D. population

3.“Act your age” in Paragraph 3 means people should________.

A. be active when they are old

B. do the right thing at the right age

C. show respect for their parents young or old

D. take more physical exercise suitable to their age

4.If a 25-year-old man becomes general manager of a big firm, the writer of the text would most probably consider it________.

A. normal B. wonderful

C. unbelievable D. unreasonable

More than 10 years ago,it was difficult to buy a tasty pineapple.The fruits that made it to the UK were green on the outside and,more often than not,hard with an unpleasant taste within.Then in 1966,the Del Monte Gold pineapple produced in Hawaii first hit our shelves.

The new type of pineapple looked more yellowy-gold than green.It was slightly softer on the outside and had a lot of juice inside.But the most important thing about this new type of pineapple was that it was twice as sweet as the hit-and-miss pineapples we had known.In no time,the Del Monte Gold took the market by storm,rapidly becoming the world's best-selling pineapple variety,and delivering natural levels of sweetness in the mouth,up until then only found in tinned pineapple.

In nutrition it was all good news too.This nice tasting pineapple contained four times more vitamin C than the old green variety.Nutritionists said that it was not only full of vitamins,but also good against some diseases.People were understandably eager to be able to buy this wonderful fruit.The new type of pineapple was selling fast9 and the Del Monte Gold pineapple rapidly became a fixture in the shopping basket of the healthy eater.

Seeing the growing market for its winning pineapple,Del Monte tried to keep market to itself.But other fruit companies developed similar pineapples.Del Monte turned to law for help,but failed.Those companies argued successfully that Del Monte's attempts to keep the golden pineapple for itself were just a way to knock them out the market.

1.We learn from the text that the new type at pineapple is .

A. green outside and sweet inside

B. a little soft outside and sweet inside

C. yellowy-gold outside and hard inside

D. good-looking outside and soft inside

2.Why was the new type of pineapple selling well?

A. Because it was rich in nutrition and tasted nice.

B. Because it was less sweet and good for health.

C. Because it was developed by Del Monte.

D. Because it was used as medicine.

3.The underlined word "fixture" in Paragraph 3 probably refers to something .

A. that people enjoy eating

B. that people use as a gift

C. that is always present

D. that is difficult to get

4.We learn from the last paragraph that Del Monte .

A. slowed other companies to develop pineapples

B. succeeded in keeping the pineapple for itself

C. tried hard to control the pineapple market

D. planned to help the other companies

Sweetest Day is always the third Saturday in October.This holiday is much more important in some regions than in others (Detroit,Cleveland and Buffalo being the biggest Sweetest Day cities).It is a holiday that is gaining in popularity every year throughout the country.

Sweetest Day is celebrated on the third Saturday in October as a day to make someone happy.It is an occasion which offers all of us an opportunity to remember not only the sick,aged,and orphaned,but also friends,relatives and associates whose helpfulness and kindness we have enjoyed.

Over 60 years ago,a Cleveland man,believing that the city's orphans and shut-ins too often felt forgotten and neglected,formed the idea of showing them that they were remembered.He did this through the distribution of small gifts.With the help of his friends and neighbors,he distributed these remembrances on a Saturday in October.During the years that followed,other Clevelanders began to participate in the celebration ceremony,which came to be called "Sweetest Day".In time,the Sweetest Day idea of spreading cheer to the poor was broadened to include everyone,and became an occasion for remembering others with a kind act or a small gift.And soon the idea spread to other cities all over the country.

Sweetest Day is not based on any single group's religious belief or on a family relationship.It is a reminder that a thoughtful word or deed enriches life and gives it meaning.Because for many people remembering takes the form of gift-giving,Sweetest Day offers us the opportunity to show others that we care,in a practical way.

1.Sweetest Day is celebrated to .

A. spread religious belief B. make someone cheer up

C. strengthen family relationship D. help the poor get out of trouble

2.Sweetest Day originated in .

A. Detroit B. Cleveland

C. Buffalo D. New York

3.The underlined word "remembrances" in Paragraph 3 is closest in meaning to " ".

A. tasks B. ideas

C. gifts D. pills

4.What can we know from the text?

A. Sweetest Day is celebrated in the form of a family party.

B. Over 60 years ago,men too often felt forgotten and neglected.

C. Only a few religions have the tradition to celebrate the holiday.

D. The idea of creating Sweetest Day came from a man who cared for orphans.

Whats your dream vacation?Watching wildlife in Kenya?Boating down the Amazon?Sunbathing in Malaysia? New chances are opening up all the time to explore the world.So we visit travel agents,compare packages and prices, and pay our money.

We know what our vacation costs us.But do we know what it might cost someone else?It's true that many poorer countries now depend on tourism for foreign income.Unfortunately,though.tourism often harms the local people more than it helps them

It might cost their homes and lands.In Myanmar.5.200 people were forced to leave their homes among the pagodas(佛塔)in Bagan so that tourists could visit the pagodas.

Tourism might also cost the local people their livelihood(生计)and dignity(尊严).Local workers often find only jobs with slim salaries in the tourist industry.And most of the profits(利润)do not help the local economy. Instead,profits return to the tour operators in wealthier countries,When the Maasai people in Tanzania were driven(驱赶)from their lands,some moved to city slums.Others now make a little money selling souvenirs or posing(摆姿势)for photos.

Problems like these were observed more than 20 years ago.But now some non-government organizations,tour operators and local governments are working together to begin correcting them.Tourists,too,are putting on the pressure.

The result is responsible tourism,or ethical tourism.Ethical tourism has people at its heart.New international agreements and codes of conduct(行为准则)can help protect the people's lands homes,economies and cultures.The beginnings are small,though,and the problems are complex.

But take heart.The good news is that everyone,including us,can play a part to help the local people in the places we visit Tour operators and companies can help by making sure that local people work in good conditions and earn reasonable wages.

They can make it a point to use only locally owned hotel restaurants and guide services.They can share profits fairly to help the local economy And they can involve the local people in planning and managing tourism.

What can tourists do?First,we can ask tour companies to provide information about the conditions of local citizens.We can then make our choices and tell them why.And while we're abroad,we can:

Buy local foods and products,not imported ones.

Pay a fair price for goods and services and not bargain for the cheapest price.

Avoid flaunting wealth.

Ask before talking photographs of people.They are not just part of the landscape!

Let's enjoy our vacation and make sure others do,too.

1.What is probably the best title for the article?

A. Vacations Cost More Than You Think

B. Tourism Causes Bad Effects

C. Vacations Bring a Lot of Fun

D. Tourism Calls for Good Behavior

2.Which of the following is not mentioned?

A. Local people were well paid to leave their lands

B. Tourists may stay in hotels opened by local people.

C. Local people are mainly provided with low-paying work

D. Tourists could bargain with local people for a reasonable price

3.The underlined phrase "take heart" means " ".

A. take care B. pay attention.

C. cheer up D. calm down

4.According to the passage,the writer thinks .

A. tourism is not a promising(有前途的)industry

B. dream vacations should be spent abroad

C. tourists should respect local customs and culture

D. the problems caused by tourism are easy to settle

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