An astronomer is making a case for launching pop singer Justin Bieber into suborbital（亚轨道的）space aboard a private rocket ship. The idea is not to rid the world of the Canadian teenager — he would come back down to Earth eventually, after all — but rather to help jump-start the emerging suborbital spaceflight industry.
It would generate a lot of public interest, which would help commercial spaceflight pick up some much-needed momentum, said Seth Shostak, senior astronomer at the Search for Extraterrestrial Intelligence (SETI) Institute in Mountain View, California. “If there’s more interest, there are more customers. If there are more customers, there's more technical development. It's a positive feedback loop, and obviously that's good.”
Such missions would return to Earth without completing a full lap around the planet. Instead, the flights would hit the edge of space about 62 miles (100 kilometers) above Earth, experience a few minutes of weightlessness, then re-enter the atmosphere and land back at a spaceport.
None of these firms are ready to fly customers yet, but some are getting close. For instance, Virgin Galactic hopes to begin powered test flights of its SpaceShipTwo vehicle later this year, with commercial operations perhaps beginning in 2013 or 2014. It is SpaceShipTwo that reportedly grabbed the attention of Beyonce and Jay-Z.
Virgin Galactic has collected deposits from nearly 500 customers willing to pay $200,000 for a ride aboard SpaceShipTwo, and both Virgin and XCOR have inked deals to fly scientists and their experiments on research flights. So a suborbital market already exists — but Shostak is thinking about ways to make it grow.
A celebrity launch isn't Shostak’s only idea. Suborbital firms should also promote their activities aggressively via social media, Shostak said, and they should make sure their spaceships are bristling（充满）with cameras both inside and out, to give the public dramatic views of every mission.
Some observers view commercial suborbital spaceflight as a potentially transformative industry, saying it could serve as a stepping stone to the exploration and exploitation of space on an unprecedented scale. While the industry’s success is far from assured, Shostak offered some reason for optimism: The American public remains keen on space.
【小题1】Why may Justin Bieber be sent into suborbital space?

A jobless man applied for the position of “office boy” at Microsoft. The HR manager interviewed him and then watched him cleaning the floor as a test.
“You are employed,” he said. “Give me your e-mail address and I’ll send you the application to fill in, as well as date when you may start.”
The man replied，“But I don’t have a computer, neither an e-mail.”
“I’ m sorry，” said the HR manager.“If you don’t have an e-mail，that means , you do not exist. And who doesn’t exist cannot have the job.”
The man left with no hope at all. He didn't know what to do with only ten dollars in his pocket. He then decided to go to the supermarket and buy 10 kg tomatoes. He then sold the tomatoes from door to door. In less than two hours, he succeeded to double his capital. He repeated the operation three times, and returned home happily with 60 dollars.
The man realized that he could survive in this way, and started to go every day earlier, and return late. Thus, his money doubled or tripled every day. Shortly, he bought a cart, then a truck, and then he had his own fleet of delivery vehicles. Five years later, the man is one of the biggest food retailers(销售商) in the US.
He started to plan his family’s future and decided to have a life insurance. He called an insurance broker（经纪人）and chose a protection plan.
When the conversation was concluded the broker asked him his e-mail. The man replied, “I don’t have an e-mail.”
The broker answered curiously,“You don’t have an e-mail, and yet have succeeded to build an empire. Can you imagine what you could have been if you had an e-mail?" The man thought for a while and replied,“Yes，I’d be an office boy at Microsoft!”
【小题1】The underlined word “tripled” can be replaced by             . 

Self-esteem(自尊心) is all about how much we are valued, loved, accepted, and thought well of by others and how much we value, love and accept ourselves. People with healthy self-esteem are able to do better in school and find it easier to make friends. They tend to have better relationships with others, feel happier, find it easier to deal with mistakes and failures, and are more likely to stick to something until they secceed, People with low self-esteem may feel as if no one will like them or accept them or that they can’t do well in anything.
The folowing ways may help you improve your self-esteem.
Try to stop thinking negative thoughts about yourself. If you’re used to focusing on your shortcomings, start thinking about positive aspects of youself that outweigh them. It is good to aim high, but your goals for yourself should be within reach, That’s why you should set practical goals and never expect the impossible. Mistakes are part of learning, so view mistakes as learning opportunities. Accept that you make mistakes because everyone does. Also, you should recognize what you can change and what you  can’t. If you realize that you’re unhappy with something about yourself, you can change and start from today. If it’s something that you can’t change(like your height),start to work toward loving the way you are.Feeling like you’re making a defference or that your help is valued can do wonders to improve your self-esteem. So don’t hesitate to make a contribution. You can lend a hand to a classmate who’s having trouble. Hope your neighborhood clean up, or volunteer to  do some other things.
Self-esteem plays a role in almost everything you do. It’s never too late to build healthy self-esteem. It takes some work, and it’s a necessary skill you’ll have for life.
64.The underlinded word”them” in Parsgraph 3 refers to “_______”.
A. your classmates    B. your shortcomings  C. your strong points  D. your goals
65.According to the passage, which of the following can help improve your self-esteem?
A. Setting high goals similar to others’
B. Never fogiving yourself for your mistales.
C. Lending a hand to a classmate in trouble.
D. Changing all the things that make you unhappy.
66.The passage is mainly about _______.
A. how people improve their self-esteem
B. what self-esteem means
C. what people with low self-esteem are like
D. what people with healthy self-esteem are like
67.How many ways of improving your self-esteem are mentioned in the passage?
A. 5          B. 6            C. 7            D. 8

Not long ago the movie 2012 came into screen. The people were threatened by those scenes of destroying flood, severe earthquake, terrifying hurricane and constructions representing human civilization being destroyed and even swallowed by disaster. Luckily, they are just the director’s imagination, but the present situation is not heading a positive direction, either.
Take my own experience in Alaska as an example. Once I took a trip to the glacier. Along the way there stood signposts marking the snow lines of different years. They started from the foot of the mountain, but it was at the top when I finally saw melting glaciers(融化的冰川). My heart ached seeing the beautiful blue ice melting at every second.
Sad but true, they are the effects of global warming and the result of our human impact. Furthermore, each year the rising sea level will kill 56 million people, and that's about the population of the en tire Italy. According to studies, if the temperature keeps on rising like this, by the year 2050, some islands and coastal cities including New York, Shanghai, Tokyo and Sydney will be drowned in water.
Our fortune is in our own hands. It depends on us to shape our future, to reduce future human impact and find ways to form a peaceful relationship with our environment. Therefore, it's time for actions to be taken right now. Contribute a little to energy saving by using more efficient light bulbs and less hot water. Let recycle become our habit by thinking twice before throwing something away. Let us take public transportation as our first choice when going to a certain place. It might cost more time for now, but it' s to the benefit of a permanent future. Take care of every tree and grass around us by watering them or simply just avoid destroying them．
In a word, small drops of water make a big ocean. The earth does not belong to us. On the contrary, we belong to the earth. Please bear in mind that the earth is our home. It is our responsibility to build a brighter and better future of our planet and prevent what happened in the movie 2012 from becoming reality．                
【小题1】Why does the author talk about the movie 2012 in the passage ?     

In the UK, we like a good bargain. People flock to the sales in January, when stores slash their prices to get rid of all their winter stock. But surprisingly, the British hate haggling. In markets you might see the odd British person battling with a stall owner to bring down the price of a pair of trousers or some furniture. Generally, though, people from the UK are too reserved to haggle. If we think the price of something we want is too high, we’ll simply move on and try somewhere else.
The act of bargaining with someone is very theatrical, in my opinion. It’s a test to see who can stand their ground for the longest. But it is not in British people’s nature to “perform” in public, especially around strangers.
However, in the US, people are generally more willing to haggle. And if you wander into a market, you’re likely to hear a number of phrases that Americans reserve for such occasions.
First, “you drive a hard bargain” is commonly said by the customer to indicate they think the stall holder is working very hard, probably a little too hard, to get the price he wants.
Or you might hear the buyer telling a stall holder that “the kid’s gotta have braces”, which means they don’t have enough spare money lying around to afford the price being offered.
If the customer is really shocked at the price suggested by the seller, they also might say “you’re killing me” to indicate that they think the price is far too high.
In Britain, it’s difficult to imagine anyone saying anything along these lines. If I were forced to bargain, I’d probably say, very simply: “I’m going to make you an offer.” If that offer were refused, I think I’d just walk away.
【小题1】The underlined word “haggling” can be replaced by _______.