B
It 'snot easy being a teenager( 13至19岁青少年)—nor is 
it easy being the paint of a teenager. You can make your child feel angry, hurt, or misunderstood by what you say without realizing it yourself. It is important to give your child the space he needs to grow while gently letting him know that you you' ll still be there for him when he needs you.
Expect a lot from your child, just not everything. Except for health and safety problems, such as d
rug use or careless driving, consider everything else open to discussion. If your child is unwilling to discuss something, don' t insist he tell you what' s on his mind. The more you insist, the more likely that he'll clam up. Instead , let him attempt to solve(解决) things by himself. At the same time, remind him that you' re always there for him should he seek advice or help. Show respect for your teenager' s privacy (隐私). Never read him his mail or listen in on personal conversations.
Teach your teenager that the family phone is for the whole family. If your child talks on the family's telephone for too long, tell him he can talk for15 minutes, but then he must stay off the phone for at least an equal period of time. This not only frees up the line so that other family members can make and receive calla, but teaches your teenager moderation(节制). Or if you are open to the idea, allow your teenager his own phone that he pays for with his own pocket money or a part-time job.
50. The main purpose of the text is to tell parents______.
A. how to get along with a teenager
B. how to respect a teenager
C. how to understand a teenager
D. how to help a teenager grow up
51. What does the phrase "clam up" in Paragraph 2 probably mean?
A. become excited B. show respect
C. refuse to talk D. seek help
52．What should parents do in raising a teenager according to the text?
A．Not allow him to learn driving or take drugs
B．Give him advice only when necessary．
C．Let him have his own telephone．
D．Not talk about personal things with him．
CANBERRA (Reuters Life!) - Think twice before eating those dropped crumbs off your computer keyboard -- you might as well be eating off a toilet seat, according to a new study on the amount of germs on keyboards.
A study by British "Which? Computing" asked a microbiologist to examine for bugs on 33 keyboards in a typical London office, a toilet seat and a toilet door handle.
Four keyboards were judged potential health hazards and the microbiologist recommended the removal of one keyboard as it had 150 times the pass limit of bacteria -- five times filthier than the swabbed toilet seat.
"Most people don't give much thought to the grime that builds up on their PC, but if you don't clean your computer, you might as well eat your lunch off the toilet," said Sarah Kidner, the consumer magazine editor of "Which? Computing" in a statement.
The study found that eating lunch at desks is the main cause of a bug-infested keyboard. Dropped crumbs and food encourages the growth of millions of bacteria.
Poor personal hygiene, such as not washing hands after going to the toilet, may also add to the dirtiness of keyboards.
But despite the health hazard of a dirty keyboard, a survey of 4,000 people by the magazine found one in 10 people ever cleaned their keyboard while another two in 10 never cleaned their mouse.
Almost half -- or 46 per cent -- cleaned their keyboard less than once a month.
To clear out bugs, the magazine recommends users unplug keyboards, turn them upside down and shake them. The purpose of the passage is .
| A．tell us something about the keyboards. |
| B．warn people to clean the keyboards often. |
| C．tell us how to clean the keyboard |
| D．tell us the germs on keyboards |
What do you think the expression “Think twice before eating those dropped crumbs off your computer keyboard” stands for?
| A．Think several times before eating beside your computer |
| B．Don’t drop foods onto the computer keyboard. |
| C．Don’t eat foods dropped onto the computer keyboard. |
| D．Be careful when you are eating by the computer. |
What are the main causes of a bug-infested keyboard?
| A．Dropped crumbs and food encourages the growth of millions of bacteria. |
| B．Poor personal hygiene |
| C．Much dirt on the computer keyboard. |
| D．Dropped crumbs and food and Poor personal hygiene |
"Which? Computing" is probably a name of .
| A．An organization | B．a newspaper |
| C．a report | D．a magazine |
The United States government wants to know what the public thinks about its findings on the safety of cloned animals.
The Food and Drug Administration says meat and milk from clones of adult cattle, pigs and goats are safe to eat. An F.D.A. official called them "as safe to eat as the food we eat every day." And when those clones reproduce sexually（有性繁殖）, the agency says, their offspring（后代） are safe to eat as well. But research on cloned sheep is limited. So the F.D.A. proposes that sheep clones not be used for human food.
The United States this year could become the first country to approve the sale of foods from cloned animals. First, however, the public will have ninety days to comment on three proposed documents. On December 28th the F.D.A. released a long report, called a draft risk assessment, along with two policy documents.
The agency says it must receive comments by April second. The F.D.A. seemed ready to act several years ago, but an advisory committee called for more research.
For now, the government will continue to ask producers to honor a request that they not sell foods from cloned animals.
Clones are still rare. They cost a lot and are difficult to produce.
The F.D.A. says most food from cloning is expected to come not from clones themselves, but from their sexually reproduced offspring. It says clones are expected to be used mostly as breeding animals to spread good qualities.
Public opinion studies show most Americans do not like the idea of food from cloned animals. But this research also shows the public knows little about cloning.
Cloning differs from genetic engineering. A cell taken from a so-called donor animals is grown into an embryo（胚胎）in the laboratory. Next, the embryo is placed into the uterus（子宫）of a female animal. If the process is successful, the pregnancy reaches full term and a genetic copy of the donor animal is born.From the passage we know that .
| A．foods from cloned animals are popular in America |
| B．cloned adult animals are safe to eat except sheep. |
| C．cloned animals will be easy to produce |
| D．most foods from cloning is expected to take place of other foods |
The main purpose of the text is to .
| A．tell a interesting story | B．give some advice on foods |
| C．give a report | D．compare different opinions |
Who believe that foods from cloning are safe to eat?
A. Most Americans B. An advisory committee
C. Critics D. The F.D.A. It can be inferred from the last paragraph that .
| A．cloning has much in common with genetic |
| B．not every cell taken from a donor animal can grow into a genetic copy |
| C．the donor animal should be a female one |
| D．cloned animals grow faster than normal ones |
Tiny tot’s big adventure: Super Baby, a multimedia children’s play co-produced by Beijing Children’s Art Theater and Yeowoobi Animation Company of South Korea, is running at Beijing’s Cultural Palace of Nationalities.
Adapted from a popular South Korean cartoon book by Korean writer Cho Soo Min , the play tells the story of the boy named Siqing, who sets out in search of adventure with his friend Weiwei, a dinosaur, and a panda to rescue his kidnapped grandfather.
In director Hang Cheng’s eyes, it is a story of hope, dreams and courage.
He says it is a Chinese interpretation of Alice’s Adventure in Wonderland, and Cheng hopes it could inspire the young audience members to love one another, treasure friendship and pursue their dreams.
Time: 7:30pm, until August 26
Place: 49 fuxingmen Neidajie Street, Xicheng District
Tel: 400 – 810 – 1887, 5905 – 9082
Lords of the rings: The Chinese Acrobatics Group, established in 1950, will put on a performance that includes traditional acrobatics, circus, magic, old Beijing folk plays and more.
The show blends music, dance, local opera and martial arts with acrobatics.
Time: 7:30pm, daily
Place: Tiandi Theater, Dongsi Shitiao, 100 meters north of Poly Theater, Chaoyand District
Tel: 6416 – 9893
Fooling around: dashan is taking to the stage with the otherwise all-Chinese cast of Chaoji Bendan, or Super Idiot. The play is an adaptation of the famous French comedy, Le diner de Cons (The dinner Game).
Dashan, or Mark Rowswell, is a Canadian who became a household name and popular TV host who speaks superb Chinese. He plays the role of Pierre Brochant, a successful Parisian publisher, who attends a weekly “idiots’ dinner”. Each guest must bring along an “idiot” for the amusement of the other invitees. At the end of the dinner, the evening’s “champion idiot” is selected.
Time: 7:30pm, September 29~30
Place: Poly Theater, 14 Dongzhimen Nandajie, Dongcheng District
Tel: 6416 – 9990
Classic comeback: Chinese drama classic The Top Restaurant (Tianxia diyilou) will be staged by Beijing People’s Art theater. Written by He Jiping, the drama has been one of the most popular Chinese theatrical works performed by the renowned Beijing People’s Art Theater. It has been staged more than 400 times since the premiere.
Time: 7:30pm, September 5~14
Place: Capital Theater, 22 Wangfujing Dajie
Tel: 6524 – 9847
Order now , you can get a 20% discount. More information, please click hereIf you want to enjoy magic on Sunday, you can go to .
| A．Red Theater | B．Tiandi Theater | C．Poly Theater | D．Capital Theater |
The advertisements are about“ ”.
| A．exhibitions | B．meetings | C．stage performances | D．western cultures |
Which of the following is NOT true according to the passage?
| A．Super Baby, a children’s play, is performing at Beijing’s Cultural Palace of Nationalities. |
| B．The Chinese Acrobatics Group can perform old Beijing folk plays. |
| C．Dashan is a popular TV host who speaks superb Chinese. |
| D．The Top Restaurant will be performed by He Jinping |
This passage is most probably taken from .
| A．a textbooks | B．a magazine | C．a newspaper | D．a website |
A computer virus is a program or piece of code that is loaded onto your computer without your knowledge and runs against your wishes. All computer viruses are manmade. Here are some virus prevention tips.
Do not open any files attached to an e-mail from an unknown, suspicious or untrustworthy source.
Do not open any files attached to an e-mail unless you know what it is, even if it appears to come from a dear friend or someone you know. Some viruses can replicate（复制） themselves and spread through e-mail. Better be safe that sorry and confirm that they really sent it .
Do not open any files attached to an e-mail if the subject line is questionable or unexpected. If the need to do so is there always save the file to your hard drive before doing so.
Delete chain e-mails and junk e-mail. Do not forward（转寄） or reply to any of them. These types of e-mail are considered spam（垃圾邮件）, which contains lots of annoying advertisements and useless information.
Do not download any files from strangers.
Be careful when downloading files from the Internet. Ensure that the source is a legitimate（合法的）and reputable one. Verify（证实）that an anti-virus program checks the files on the download site. If you are uncertain, don’t download the file at all or download the file to a floppy（软盘）and test it with your own anti-virus software.
Update your anti-virus software regularly. Over 500 viruses are discovered each month, so you’ll want to be protected. These updates should be at least the products virus signature files. You may also need to update the product’s scanning engine as well.
Back up（备份） your files on a regular basis. If a virus destroys your files, at least you can replace them with your backup copy. You should store your backup copy in a separate location from your work files, one that is preferably not on your computer.This passage mainly tells us .
| A．What a computer virus is |
| B．how to use e-mail safely |
| C．how to use computers safely |
| D．how to prevent computer viruses |
Which of the following statements about computer virus is TRUE?
| A．A computer virus is a kind of worm |
| B．Not all computer viruses are manmade |
| C．Computer viruses run according to our wishes |
| D．A computer virus is a program or piece of code. |
When we use e-mail, we should .
| A．open all the files we receive |
| B．open any file even if we don’t know what it is |
| C．not open any files if the subject line is questionable |
| D．forward or reply to junk e-mail. |
Which of the following statements is NOT true?
| A．We’d better not down load any files from strangers. |
| B．We’d better download files from a legitimate and reputable source. |
| C．We should update our anti-virus software regularly. |
| D．We should store our backup copy in the same location as our work files. |
The world economy has run into a brick wall. Despite countless warnings in recent years about the need to address a looming（逼近） hunger crisis in poor countries and a looming energy crisis worldwide, world leaders failed to think ahead. The result is a global food crisis. Wheat, corn and rice prices increases combined with soaring energy costs will slow if not stop economic growth in many parts of the world and will even undermine（破坏） political stability, as evidenced by the protest riots that have erupted in places like Haiti, Bangladesh and Burkina Faso. Practical solutions to these growing woes do exist, but we'll have to start thinking ahead and acting globally.
So, what should be done？Here are three steps to ease the current crisis and avert（防止, 避免） the potential for a global disaster. The first is to scale-up（按比例增加,扩大） the dramatic success of Malawi, a famine-prone（遭遇饥荒） country in southern Africa, which three years ago established a special fund to help its farmers get fertilizer and high-yield seeds. Malawi's harvest doubled after just one year. An international fund based on the Malawi model would cost a mere $10 per person annually in the rich world, or $10 billion in all.
Second, the U.S. and Europe should abandon their policies of subsidizing（给补助金） the conversion of food into biofuels（生物燃料）.
Third, we urgently need to weatherproof（使防风雨） the world's crops as soon and as effectively as possible. For a poor farmer, sometimes something as simple as a farm pond--which collects rainwater to be used for emergency irrigation in a dry spell--can make the difference between a bountiful crop and a famine. The world has already committed to establishing a Climate Adaptation Fund to help poor regions climate-proof vital economic activities such as food production and health care but has not yet acted upon the promise.
The food crisis provides not only a warning but also an opportunity. We need to invest vastly more in sustainable development in order to achieve true global security and economic growth.Which of the following is the best title?
| A．How to end the global food shortage |
| B．How to end the global disaster |
| C．How to help the farmers in the poor countries |
| D．How to subsidize the farmers to increase food products |
The word “woes” in paragraph one is most likely to mean .
| A．hunger | B．things | C．matters | D．disasters |
What does the author think of the global food shortage?
| A．people in the world can do nothing. |
| B．The global food crisis will continue. |
| C．The food crisis provides not only a warning but also an opportunity. |
| D．We don’ know. |
What measures should be taken to ease the current crisis and avert the potential for a global disaster?
| A．to scale-up the dramatic success of Malawi |
| B．the U.S. and Europe should abandon their policies of subsidizing the conversion of food into biofuels |
| C．to prevent the world's crops from being destroyed by weather as soon and as effectively as possible. |
| D．All above . |