But these days, fewer teens are celebrating these events.According to a study published in the joumal Child Development, fewer American teens are doing “adult”activities like driving and working.

Perhaps too much homework is to blame(責(zé)備). But that’s not the truth.“Teens usually spend less time on homework now than they did in the 1990s,” The Atlantic reported.

Child Development expert(專家) Jean Twenge says technology may be to blame. In her research, she says that today's teens are different from past generations (幾代)because they are the first generation to grow up with social media and smartphones.

What kind of effect does it have on how quickly kids grow up? More time spent playing with technology means less time spent on other things. This may explain why fewer kids are interested in“adult”activities these days.

In the past, getting the first driver ' s license was seen as something “cool” that could impress one's friends. But today, kids would rather stay at home and play with their phones. If they aren’t spending time with their friends, they aren’t interested in that“cool”license, according to the Chicago Tribune.

It is hard to say growing up more slowly is good or bad. But kids should have more time for social and emotional(情感的) development. It is necessary for achieving success later in their life.

【1】Now in America.

A. fewer teens are doing “adult”activities

B. most teens spend too much time on homework

C. teens hate to do other things except part-time jobs

D. teens pay more attention to driver's licenses

【2】Jean Twenge thinks American teenagers are growing up slowly because .

A. they have too much homework to do

B. they spend too much time at school

C. playing with tecnology takes up most of kid’s time.

D. kids are more interested in “adult” activities

【3】According to the Chicago Tribune, why are kids spending less time with their friends?

A. Because they don’t want to play with their friends.

B. Because they think that playing with friends is not cool.

C. Because they need more time to focus on their schoolwork.

D. Because they would rather spend time on their phones.

【4】What's the text mainly about?

A. What American teens’ worries are.

B. Why American teens grow up slowly.

C. What American teens think of growing up.

D. Why social media and smartphones are important.

81-year-old James Harrison, also known as the man with the golden arm, not only has given his blood, but also has been doing that for about 60 years! When Harrison was young, he was in hospital for a few months.The blood he received saved his life so he decided to give blood.

Recently he has just stopped doing that. During the past few years, he has saved the lives of more than 2.4 million babies by giving his blood. Harrison 's blood contains something special that can be used to develop medicine to prevent unborn babies from dying of blood diseases.

In fact, a number of newborn babies are easy to get some kinds of blood diseases. Just because of Harrison, many new mothers can see the hope of saving their babies. Giving blood is a kind of great charity. Harrison is always glad and ready to do it. But now he has passed the age limit (年齡限制) for donors to continue giving blood in Australia. Harrison has made his 1,173rd and final donation recently.

He holds Guinness World Records for the number of donations he made, and the Australian Red Cross Blood Service said, “ As a blood donor, his kindness leaves us a lot of treasure and changes lives of many babies.”

In 1999，Mr Harrison received the Medal of the Order of Australia for his“amazing and selfless (無私的)support of the blood service"”.

【1】Why did James decide to donate blood?

A. His parents asked him to do that. B. He is the man with the golden arm.

C. Someone else's blood saved his life. D. He could get lots of money.

【2】What do you think of James?

A. He is very kind . B. He is very brave.

C. He is very lazy D. He is very mean.

【3】What might the underlined word “donors” mean in Chinese?

A. 商人 B. 執(zhí)法者 C. 管理者 D. 獻(xiàn)血者

【4】What’s the best title for the passage?

A. A great blood donor. B. A kind of special blood.

C. Giving away blood in Australia. D. Saving unborn babies.

Are you looking for up-to-date scores?

Do you want more information about your favorite players?

Would you like to connect with more fans just like you?

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SPORTS FANS has more features(特點(diǎn))than any other website, including:

▲ live scores from matches of baseball, football, basketball, hockey(曲棍球)，tennis, bowling, volleyball, table tennis, and other sports around the world;

▲ pregame predictions（賽前預(yù)測）and post-game analysis(賽后分析)by experts that can help you improve your enjoyment;

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New members get free use for the first 90 days.

【1】A person who wants to may NOT be interested in SPORTS FANS.

A. connect with basketball fans B. find out a webite selling different balls

C. look for the latest scores of sports D. know more about his favorite players

【2】Personal home pages of SPORTS FANS allow us to .

A. ask experts to help improve skills B. find out our favorite teams and player

C. share information with other fans D. make suggestions on SPORTS FANS

【3】What can we learn about SPORTS FANS?

A. It’s always free for its members. B. It’s a club for sports fans.

C. It has post-game analysis. D. It offers latest sports videos.

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encourage, bad, hard, when, set, student, talk, reason, well, discuss

Carol is a high school student at Roosevelt High School. She is having a 【1】time in her lessons. She doesn’t often hand in her homework.

But there is one lesson she is doing well in. That lesson is history. Carol always hands in her history homework on time. The【2】why she is doing well in history is that she admires the teacher Mr Aragon.Carol feels that Mr Aragon treats her more like a friend than a【3】. She feels the other teachers look down on her.

Carol’s mother Maria told Mr Aragon that Carol did【4】in her other lessons. Maria hoped Mr Aragon could【5】Carol to do better in her other lessons. Mr Aragon was surprised to learn that Carol was not doing【6】in other lessons.“She is so smart,”he told Maria. Mr Aragon promised to【7】to her daughter.

Carol felt embarrassed(尷尬的)【8】Mr Aragon talked to her about the trouble she was having in other lessons. However, she understood that he just wanted to help her. Mr Aragon and Carol had a【9】about what she could do to improve her grades in other lessons. They made a list of ways to help her to finish her homework on time. One way was by【10】a timetable for homework. Carol decided to try these ways out to see which one would work best for her.

you, well, easy, suggestion, unless, improve, study, about, when, normal, conversation, remind

The human brain is very small and light (only 2% of our total body weight), but it needs about 20% of the oxygen (氧氣) that our body takes in. We can't think well if our brain isn't getting enough oxygen, so always make sure there is enough oxygen in the air 【1】 you need to learn or remember something!

No one can remember everything, but everyone can learn how to 【2】 their memory. Here are some 【3】 — none of them can make your memory 100% perfect, but all of them are helpful:

● When you want to remember something, tell a friend 【4】 it. This way the new information becomes more memorable. Later on, think about the【5】 with your friend. It will 【6】 you of the information you wanted to remember.

● Don't train your brain too hard. When you've remembered a list of new words, stop 【7】. It's better to study a lot of material for a long time! But remember: you do have to practice the new words regularly (定期地)!

● Our memory works【8】 when we are asleep. If you want to remember something, go to sleep right after learning it.

● If you have to remember something big, break it down into smaller parts. It's 【9】 to remember 198756430387 if you break it down into four smaller parts: 198 – 756 – 430 – 387.

● If you want to remember a piece of information, and you can't, don't get angry. Relax and tell【10】, “If it's important, I will remember it later.”

【1】當(dāng)伯特到達(dá)劇院時，他發(fā)現(xiàn)票已經(jīng)賣完了。

When Bert got to the theater, he found the tickets ________ _____ ________ ________.

【2】在你新桌子的上方放盞燈是很方便的。

Having a light ________ ________ ________ ________ is very convenient.

【3】愛迪生一生有成百上千項(xiàng)發(fā)明。

Edison had ________ ________ inventions in his life.

【4】卡倫捉弄了她爸爸，她把他的眼鏡藏了起來。

Karen ________ ________ ________ ________ her father. She hid his glasses.

【5】你用那種方式盯著杰克遜夫人看是無禮的。

It's rude of you to ________ ________ Mrs. Jackson in that way.

【1】In the dining room a bright fire is b _________________.

【2】In Western countries, it's impolite to ask a l __________________her age.

【3】Annie was made to spend a night at the a __________________waiting for Tim's plane.

【4】—My wallet has d___________________from the table.

—You might have put it somewhere else.

【5】Jessica has refused such a good job. She's really a f ________________ .

The clockwork radio (發(fā)條式收音機(jī)) is the only radio that doesn't need batteries (電池) or electricity. It is powered by turning the handle (手柄) for a minute. Nowadays, thousands of these radios 【1】(make) every day.

The clockwork radio【2】(invent) in 1991 by Trevor Bayliss, a British inventor. Trevor had the idea while he 【3】(listen to) some news on the radio about Africa. It【4】(report) that Africans were dying of Aids and there was no easy way to send them information about the disease.

But no one would help Trevor develop his idea for a new kind of radio. Finally, in 1993, his invention 【5】(show) on a TV program, and afterwards, a South African businessman【6】(hear of) Trevor's clever idea and contacted (聯(lián)系) him. The first Freeplay radios【7】(build) in South Africa in 1995.

Since then, the radios【8】(be) a great success. Trevor has been given many prizes, including one from Nelson Mandela.

Trevor 【9】(hang) a letter on the wall in his house. It 【10】(write) in 1991 by another engineer, who explained why he thought Trevor's idea for a clockwork radio couldn't possibly work!

【1】This word _________ _________(以……開始) the letter “a”.

【2】Who is Claire? I have never _________ _________(聽說) her.

【3】The waiter made a mistake in _________ _________(加起來) the bill (賬單).

【4】Alex _________ _________ _________(參加) many after-class activities when he was at junior high school.

【5】The government _________ _________ _________(采取了快速的行動) to help the people in the train accident.

【6】—How much shall I _________ _________(付費(fèi)) the phone call?

—You don't have to. This is free.

【7】After the earthquake, the villagers were completely ______ _____(隔絕) from the outside.

【8】Nelly loves fast food a lot though many others think it _________ _________ _________(對……有害) health.

【9】Can the man shoot the bird _________ ____ ____ ____(在……頂部) the tree?

【10】Do you think that we should _________ _________ _________(使用公共交通) to protect our environment?

【1】Greg has always wanted a guitar, but he can't _________(買得起) one.

【2】Many countries made _________(法律) to stop smoking in public places.

【3】The trade with foreign countries caused China's _________(工業(yè)) to develop quickly.

【4】Henry was so excited when he received an invitation to speak at a(n) _____(科學(xué)的) meeting.

【5】The poor workers were often made to work more than 16 hours a day by the ___(殘酷的) boss.