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rmined to try his best at every practice,and perhaps he'd get to play when he became a senior.He ran,passed,blocked,and tackled like a star.His team began to triumph.In the closing seconds of the game,this kid intercepted a pass and ran all the way for the winning touchdown.
一个地区有若干家商店销售某种品牌的真空吸尘器。
(1)假如所有销售商要价相同，他们的长期经济利润是否都等于零？
(2)假如所有销售商要价相同，但是一家当地销售商的商店经营场所为他自己拥有的房子，不必付租金，这个销售商的经济利润为正吗？
(3)不必付租金的这家销售商是否有激励去降低其销售价格？
A certain brand of vacuum cleaners can be purchased from several local stores as well as from several catalogue or website sources.
a If all sellers charge the same price for the vacuum cleaner, will they all earn zero economic profit in the long run？
b. If all sellers charge the same price and one local seller owns the building in which he does business, paying no rent, is this seller earning a position economic profit？
e. Does the seller who pays no rent have an incentive to lower the price he charges for the vacuum cleaner？
kitchen and sit down (2) to him and read articles from the front page of the (3) . When I ran into a word I didn’t know (and I didn’t know half of the article, because any word (4) than a couple of syllables gave me trouble) he explained the (5) of the word and gave me the (6) .Then he’d send me (7) to the sentences so I could understand the word in (8) . Then I would take the paper away with me, armed now with the meaning of those words, and reread and reread the article (9) that the meaning of those words would get(10) into my memory. Every evening we did that.
Broadband is used for high-speed Internet connections at a fixed monthly rate.It turns an exciting telephone line into a high-speed digital line capable of carrying data up to 40 times conventional modem speeds.Any download is available at the click of a mouse-there is no dial-up as there is with standard Internet Service Providers.
For home owners and families there are many advantages.One of the most important is simultaneous(同时的)access to both telephone lines and the Internet.No queses and no delay.
For businesses, broadband can improve customer relations and provide direct access to corporate e-malls and databases.Entire operations can go online.
1.The function that broadband technology has on the new digital economy is ___.
A.further
B.critical
C.costly
D.global
2.How much does a user pay if he has broadband technology installed？ ()
A.It depends on the length of time
B.It depends on the times of dial-up
C.He pays at a fixed monthly rate
D.He pays a lot of money
3.Compared with the modem speed the broadband technology can transmit data___.
A.at up to forty times of ordinary speed
B.much faster
C.at a high-speed
D.within a second
4.Who can take advantage of the broadband technology according to the passage？ ()
A.Family members
B.College students
C.Both home owners and businessmen
D.Only businessmen and their partners
15.With the broadband technology companies can have all their operations done()
A.during the work days
B.during the whole week
C.online
D.offline
His daughter June, and her husband, Pete, on the other hand, have to do everything themselves or find builders to do it. They live in a large semi-detached house further out from the center of London than John, but they are still near enough to see him often. They live in the suburbs with a nice garden when their children play. They moved there four years ago to have more space. The only drawback is that June’s husband has to commute into the centre of London every day, but, overall, they are happy with their decision. When they bought the house, a lot needed doing to it and still does. June says, “We have a list of things to do as long as your arm-the roof needs repairing and the chimney needs mending. The bedrooms need decorating and we haven’t had the broken windowpanes replaced yet in the conservatory. We need to fix the gate and repair the path-it looks dreadful when you arrive.
31. John lives in the centre of London.（）
32. The agent hasn’t done anything to John’s flat.（）
33. June and Pete live near to John.（）
34. There are broken windowpanes in conservatory.（）
35. The front of the house is in a good state (处于较好的状态)。（）
You'd have to volunteer two hours a week for one semester. You can choose to help a child with math, English, or both. Half-hour lessons are fine, so you could do a half hour of each subject two days a week.
Professor Dodge will act as a mentor to the tutors---he'll be available to help you with lesson plans or to offer suggestions for activities. He has office hours every Tuesday and Thursday afternoon. You can sign up for the program with him and begin the tutoring next week.
I'm sure you'll enjoy this community service…and you'll gain valuable experience at the same time. It looks good on your resume, too, showing that you've had experience with children and that you care about your community. If you'd like to sign up, or if you have any questions, stop by Professor Dodge's office this week.
1.What is the purpose of the talk？ ____________
A、To explain a new requirement for graduation.
B、To interest students in a new community program.
C、To discuss the problems of elementary school students.
D、To recruit elementary school teachers for a special program.
2.What is the purpose of the program that the dean describes？ __________
A、To find jobs for graduating students.
B、To help education majors prepare for final exams.
C、To offer tutorials to elementary school students.
D、To provide funding for a community service project.
3.What does Professor Dodge do？ ____________
A、He advises students to participate in the special program.
B、He teaches part-time in an elementary school.
C、He observes elementary school students in the classroom
D、He helps students prepare their resumes.
4.What should students interested in the tutorials do？ __________
A、Contact the elementary school.
B、Sign up for a special class.
C、Submit a resume to the dean.
D、Talk to Professor Dodge.
5.Whom do you think the speaker addresses to？ _________
A、Faculty
B、Students
C、Freshman
D、Graduating students of the university.
A、in which
B、in that
C、for which
D、for that
Take a second long piece of paper. Twist the paper once and glue the ends together. Now you have made a Mobius band(带子). For people studying maths, this band is uncommon.
This strange band was first made in the 1800s by a German man namedAugust. Mobius. Mr. Mobius studied maths. He wanted to find a way to show how this band works with maths. Understand it or not, this band has only one surface. You can find this out for yourself.
If you draw a line on the surface of the paper before you twist and glue it, the line is only on one side of the paper. The paper has two surfaces. However, if you draw a line after you make the Mobius band, you can follow the line around all sides of the paper. In other words, the Mobius band must have only one surface.
It is also very interesting to see what happens when you cut the band. If you cut the Mobius band in half once down the line you drew, you do not get two Mobius bands. Instead, after you cut the band, it turns into one large twisted ring. Then, if you cut this ring in half along the middle of the band again, you get two connected(相连的)Mobius bands.
1、What is a Mobius band？()
A、A long piece of paper
B、A paper ring for people to wear
C、A metal ring for music
D、An interesting twisted ring
2、Why didAugust Mobius make this ring？()
A、To help study a maths problem
B、To show it's the same as others
C、To show the only surface of any band
D、To find out how many sides it has
3、How can you change the two surfaces of a long piece of paper into one surface？()
A、Glue the ends of the long piece of paper
B、Cut the two surfaces of the paper into one
C、Draw a line in the middle of the paper
D、Twist the paper once and glue the two ends
4、What do you get if you cut the Mobius band along the middle？()
A、A long piece of paper
B、Two long pieces of paper
C、Two Mobius bands
D、One large twisted ring
5、Which of the following is NOT true？()
A、You can use any long piece of paper to make a Mobius band
B、Any long piece of paper has two surfaces
C、The Mobius band was first made about two hundred years ago
D、You have to draw a line in the middle of the long piece of paper before making a Mobius band
There were red faces at one of Britain's biggest banks recently. They had accepted a telephone order to buy ￡ 100,000 worth of shares from a fifteen-year-old schoolboy (they thought he was twenty-one. The shares fell in value and the schoolboy was unable to pay up. The bank lost ￡ 20,000 on the deal which it cannot get back because, for one thing, this young speculator does not have the money and, for another, being under eighteen, he is not legally liable for his debts. If the shares had risen in value by the same amount that they fell, he would have pocketed ￡ 20,000 profit. Not bad for a fifteen-year-old. It certainly is better than delivering the morning newspaper. In another recent case, a boy of fourteen found, in his grandmother's house, a suitcase full of foreign banknotes. The clean, crisp, banknotes looked very convincing but they were now not used in their country of origin or anywhere else. This young boy headed straight to the nearest bank with his pockets filled with notes. The cashiers did not realise that the country in question had reduced the value of its currency by 90%. They exchanged the notes at their face value at the current exchange rate. In three days, before he was found out, he took ￡ 200,000 from nine different banks. Amazingly, he had already spent more than half of this on taxi- rides, restaurant meals, concert tickets and presents for his many new girlfriends (at least he was generous!) before the police caught up with him. Because he is also under eighteen the banks have kissed goodbye to a lot of money, and several cashiers have lost their jobs.Should we admire these youngsters for being enterprising and showing initiative or condemn them for their dishonesty？ Maybe they had managed for years with tiny amounts of pocket money that they got from tight-listed parents. Maybe they had done Saturday jobs for peanuts. It is hardly surprising, given the expensive things that young people want to buy, such as fashionable running shoes and computer games, if they sometimes think up more imaginative ways of making money than delivering newspapers and baby-sitting. These lads saw the chance to make a lot of money and took it.Another recent story which should give us food for thought is the case of the man who paid his six-year-old daughter ￡ 300 a week pocket money. He then charged her for the food she ate and for her share of the rent and household bills. After paying for all this, she was left with a few coins for her piggy bank.. "She will soon learn the value of money," he said. "There's no such thing as a free lunch. Everything has to be paid for and the sooner she learns that the better." At the other extreme there are fond parents who provide free bed and board for their grown-up children. While even the most hard-hearted parents might hesitate to throw their children out on the streets, we all know of people in their late twenties who still shamelessly live off their parents. Surely there comes a time when every- one has to leave the parental nest, look after themselves and pay their own way in life. But when is it？
1.One of Britain's biggest banks recently ____
A、received a telephone order to buy shares for a twenty-one year old
B、lost a lot of money because the shares they bought fell in value
C、bought quite a lot of shares for a customer and caused him to lose money
D、lost money as its young customer did not have the money to pay his debts
2.According to the passage, the young customer would have ____
A、earned ￡ 20,000, if the shares had gone up in value by the same amount they fell
B、paid his debts, if he had had the money to do so
C、continued to cheat banks, if he had not been found out
D、to go to prison, if he did not pay the money back
3.The writer's attitude to the example of the two boys who cheated the banks is ____
A、positive
B、questioning
C、neutral
D、negative
4.The reason why the man paid his daughter ￡300 a week pocket money and then required her to pay for her living expenses was that he wanted her to learn ____
A、to bear the hardships of life
B、how to live comfortably on her own pocket money
C、the value of money
D、how to save money
5.It can be concluded from the article that the writer believes that ____
A、parents should give more pocket money to their children
B、children should leave the parental nest as soon as possible
C、grown-up children should support themselves
D、children should learn to be economical
