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Failure is common in our life. No one can avoid them. When we fail in doing something, we often feel very depressing. Sometimes failure can make us lose hearts. So no one are willing to fail. On the contrary, success can bring us sense of pride. If one enjoys his continuous success in his career, he will have confidence to himself. Therefore, failure is the mother of success. A failure doesn’t mean one can never be successfully. Those who are always afraid of failure they will never succeed. In a word, as long as we can get some lessons and experiences from our failure, we’ll be sure to succeed.

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The world consumes hundreds of billions of single-use plastic bags each year. They are difficult to recycle, wasteful and damage the nature. Environmental activists want to ban plastic bags or---as many communities have done ---charge a fee for them. But the plastic bag industry defends their use, saying people reuse plastic bags, and industry officials argue recycling is a matter of personal responsibility and should not be forced.

City officials say New Yorkers use 5.2 billion plastic bags each year. They are offered free with nearly every supermarket, or convenience store purchase. Many people like them, even if they sometimes feel guilty about using them. But what happens to those bags after they’ve been used in a huge environmental problem. They are found on beaches. They are caught in trees. They are swallowed by marine life.

Plastic bags are made of petroleum products and natural gas, and do not biodegrade (分解). And they are difficult to recycle. So New York City spends nearly $ 10 million dollars a year to send 100---thousand tons of plastic bags to landfills out of state.

In Washington, D.C., a five percent charge on all single-use bags led to about a 60 percent reduction and in Los Angeles County in California , a 10 cent charge on single-use bags led to a 95 percent reduction. With a 10 cent charge on bags, customers are much more likely to stop and think about whether they need a bag or not. And that’s really all that these laws are doing.

1.Who object to the limit of using plastic bags?

A. Plastic bag makers. B. Government officials.

C. Stores and supermarkets. D. Most of the consumers.

2.Paragraph 2 mainly tells us _____.

A. the difficulty about dealing with plastic bags

B. the popularity of plastic bags in New York

C. the great convenience brought by using plastic bags

D. the usage and problems of plastic bags in New York

3.What measure does the writer introduce to reduce the use of plastic bags?

A. Reducing the production of plastic bags.

B. Charging for the use of plastic bags.

C. Offering paper bags instead of plastic bags.

D. Making people realize the harm of plastic bags.

Barack Obama was born on August 4, 1961 in Honolulu, Hawaii. His father came to America from Kenya, which is a country in Africa. His parents, Ann and Barack, met when they were students at the University of Hawaii. Since Barack had the same name as his father, young Barack went by the nickname “Barry”.

In 1979, after he finished high school, Barry went to Occidental College in Los Angeles, California. There, he started to learn about his African roots and decided to use his African name, Barack. After two years in L.A., he went to Columbia University in New York City to study politics.

After college, he moved to Chicago, Illinois, where he worked to help poor people in his city. He traveled to Africa to meet his grandmother and cousins for the first time. He went back many times over the years to visit with his family and learn about where he came from. At work, he met a lawyer named Michelle Robinson. They worked together in a big law firm. Then he left Chicago to go to Harvard Law School in Cambridge, Massachusetts. He did very well in law school.

After he was done with school, Barack moved back to Chicago and in 1992 he married Michelle. He worked as a lawyer, devoted to helping poor people for free who had been treated unfairly. He worked hard to get the people he helped to vote(投票).

He made many people believe that their votes were important, and helped them feel like they could make a difference.

1.Barack Obama’s father was probably born in _________.

A. Hawaii B. Illinois

C. California D. Kenya

2. Which of the following is the right order according to the text?

①Getting married to Michelle.

②Travelling to Africa to meet his grandmother

③Going to Harvard Law School

④Going to Columbia University

⑤Working in a big law firm.

A.④②⑤③① B. ④③②⑤①

C. ③④①⑤② D. ②①⑤④③

3.How did Obama get people to vote?

A. By cheating them to do so.

B. By making a difference to people.

C. By showing them the importance of their votes.

D. By helping poor people who treat others unfairly.

4.According to the text, which of the following words can best describe Barack Obama?

A. Humorous B. Kind-hearted

C. Polite D. Brave

When I was a boy my father told me that he could do anything he wanted to.Dad said that he wanted to be the first to develop color prints in our city.and so he did.

When I was 16,dad looked closely at the violin I played and said that he wanted to make one.He read about violinmaking,and then became a violinmaker at the age of 43.He bought the tools and materials,opened a small store and set Mom up as the shopkeeper,while he worked at a local company.He retired from the company 17 years later and continued to make violins and other instruments.

Dad often guessed why the Stradivarius violins sounded so beautiful.Some experts told him that it was the special varnish(油漆)that gave the instruments their beautiful sound.Dad argued that chemists could analyze the varnish—if that was the answer.

One of Dad’s friends asked him which kind of wood was used to make violins.When dad explained that the top was made of spruce(云杉),his friend said that he had all old piece of spruce which dad might be interested in.

He worked for the next 12 months making a violin from the wood that his friend had given him.It proved to be an excellent violin and it would become Dad’s masterpiece.He believed that the secret of the Stradivarius sound was in the wood itself.

Later, the instrument was stolen. Dad’s spirit was broken and he stopped making instruments. But he kept the music shop until he was 80 years old,selling guitars and violins.

The violin has been missing for more than 25 years.Somewhere a musician is playing a late-20th-century violin with an excellent tone.The owner today may never understand why this Ordinary-looking violin sounds so much like Stradivarius.

1.In Paragraph l,the writer mentioned his father's developing color prints to

A.let others know that he believed his father

B.show that his father would like to make violins

C.prove that his father could do anything he wanted to

D.give an example showing that his father was an inventor

2.What did the writer's father think about Stradivarius violins?

A.They were made by experts.

B.The wood of the violins was special.

C.The way of making them was unusual.

D.The varnish was different from the others.

3.From the underlined sentence,we learn that the writer's father

A.found another new job

B.wanted to become famous

C.lost interest in instruments

D.liked the violin very much

4.What could be the best title of the passage?

A.My Experienced Father

B.My Father and His Violin

C.The Secret of Making Violins

D.The New Owner of the Violin

Nuclear power's(核能的) danger to health, safety, and even life itself can be described in one word; radiation(辐射). Nuclear radiation has a certain mystery about it, partly because it cannot be detected (探测) by human senses. It can't be seen or heard, or touched or tasted, even though it may be all around us. There are other things like that. For example, radio waves are all around us but we can't detect them, sense them, without a radio receiver. Similarly, we can't sense radioactivity without a radiation detector. But unlike common radio waves, nuclear radiation is not harmless to human beings and other living things. At very high levels, radiation can kill an animal or human being completely by killing masses of cells (细胞) in important organs (器官). But even the lowest levels can do serious damage. There is no level of radiation that is completely safe. If the radiation does not hit anything important, the damage may not be significant. This is the case when only a few cells are hit, and if they are killed completely. Your body will replace the dead cells with healthy ones. But if the few cells are only damaged, and if they reproduce themselves, you may be in trouble. They reproduce themselves in an unusual way. They can grow into cancer. Sometimes this does not show up for many years.

This is another reason for some of the mystery about nuclear radiation. Serious damage can be done without the knowledge of the person at the time that damage has occurred. A person can be irradiated(放射治疗) and feel fine, then die of cancer five, ten, or twenty years later as a result. Or a child can be born weak or easy to get serious illness as a result of radiation absorbed by its grandparents. Radiation can hurt us. We must know the truth.

1.According to the passage, the danger of nuclear power lies in __________.

A. nuclear mystery B. radiation detection

C. radiation level D. nuclear radiation

2.Radiation can lead to serious results even at the lowest level ________.

A. when it kills few cells

B. though the damaged cells can repair themselves

C. if it damages few cells

D. unless the damaged cells can reproduce themselves

3.Radiation can hurt us in the way that it can _____.

A. kill large numbers of cells in main organs so as to cause death immediately

B. damage cells which may grow into cancer years later

C. affect the healthy growth of our younger generation

D. lead to all of the above results

4.Which of the following can be best inferred from the passage?

A. The importance of protection from radiation cannot be too overemphasized (过分强调).

B. The mystery about radiation remains unsolved.

C. Cancer is mainly caused by radiation.

D. Radiation can hurt those who do not know about its danger.

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