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Dear Mr Li,
I am very glad to be a guest of your family. Thank you for accepting me.
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Best wishes!
Yours sincerely,
Jim

¡¾´ð°¸¡¿Dear Mr Li,

I am very glad to be a guest of your family. Thank you for accepting me.

As an exchange student, I am eager to know more about your country's culture. And I think the best way to achieve the purpose is to stay with your family and communicate with you. That's why I choose homestay. Moreover, I love Chinese dishes, which play an important part in Chinese culture. Also, homestay will give me more chances to make Chinese friends.

I will be in your home next month. Can you prepare me a separate room? And can I have breakfast or supper with your family members from Monday to Friday?

Looking forward to your reply.

Best wishes!

Yours sincerely

Jim


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2.ÌåÑéÖйúÎÄ»¯£¬Á˽âÖйú£¬Á˽âÊÀ½çbe eager to know more about
3.ϲ»¶ÖйúÒûʳ½¡¿µ£»Chinese dishes£» play an important part in
4.×¼±¸¶ÀÁ¢µÄ·¿¼ä£»a separate room
5.ÔÊÐíÒ»¼ÒÒ»ÆðÓÃÔç²Í¡¢Íí²Í£¨ÖÜÒ»µ½ÖÜÎ壩¡£have breakfast
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Every animal sleeps, but the reason for this has remained foggy. When lab rats are not allowed to sleep, they die within a month. 1

One idea is that sleep helps us strengthen new memories. 2 We know that, while awake, fresh memories are recorded by reinforcing (¼ÓÇ¿) connections between brain cells, but the memory processes that take place while we sleep have been unclear.

Support is growing for a theory that sleep evolved so that connections between neurons(Éñ¾­Ôª) in the brain can be weakened overnight, making room for fresh memories to form the next day. 3

Now we have the most direct evidence yet that he is right. 4 The synapses in the mice taken at the end of a period of sleep were 18 per cent smaller than those taken before sleep, showing that the connections between neurons weaken while sleeping.

If Tononi¡¯s theory is right, it would explain why, when we miss a night`s, we find it harder the next day to concentrate and learn new information ¡ª our brains may have smaller room for new experiences.

Their research also suggests how we may build lasting memories over time even though the synapses become thinner. The team discovered that some synapses seem to be protected and stayed the same size. 5 ¡°You keep what matters,¡± Tononi says.

A. We should also try to sleep well the night before.

B. It¡¯s as if the brain is preserving its most important memories.

C. Similarly, when people go for a few days without sleeping, they get sick.

D. The processes take place to stop our brains becoming loaded with memories.

E. That¡¯s why students do better in tests if they get a chance to sleep after learning.

F. ¡°Sleep is the price we pay for learning,¡± says Giulio Tononi, who developed the idea.

G. Tononi¡¯s team measured the size of these connections, or synapses, in the brains of 12 mice.

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Here is your best chance to travel around the UK in 2012: More than 200 B&Bs (bed & breakfast) across England, Scotland, Wales and Northern Ireland are selected to offer you amazing services for your stay at their lowest prices! Don't miss it. Just collect the vouchers£¨»î¶¯È¯£©in our B&B Daily printed from 01/ 04/ 2012 to 07/ 04/ 2012 and book the stays for your travel following the terms and conditions below:
¡ñ The offer includes a room for the night and a breakfast the next morning.
¡ñ The offer is of two kinds: 20 per room, per night, valid£¨ÓÐЧµÄ£©during stay
period of 02/ 04/ 2012¡ª31/ 05/ 2012 and then again 01/ 09/ 2012¡ª 31/ 10/ 2012; 35 per room, per night, valid during stay period of 01/ 06/ 2012 ¡ª 31/ 08/ 2012.
¡ñ The offer is valid for a basic twin or double room only.
¡ñ The stay must be booked directly with the chosen B&Bs before 28/ 04/ 2012.
¡ñ Each voucher can only be used by the holder to book one room for one night.
¡ñ If voucher holders book either the 20 or 35 per room per night, any additional
services such as lunch, evening meal or activities may require an extra charge. But these are not required in order to take up the offer. Please check directly with your chosen B&Bs to see what extra services are available.
¡ñ Vouchers must be presented on arrival. If no vouchers are presented, the B&Bs may reserve£¨±£Áô£© the right to charge at full price for every night of stay.
¡ñ Vouchers may not be used together with any other offer.
¡ñ The voucher holders must pay for the stay in full at the time of booking. Additional 10 may be paid to confirm£¨È·ÈÏ£©the booking and will be returned on arrival.
¡ñ The B&Bs reserve the right to refuse voucher holders' bookings for people under the age of 18.
£¨1£©The voucher can be used for a stay at the chosen B&B on .
A.09/ 01/ 2012
B.28/ 04/ 2012
C.01/ 03/ 2012
D.04/ 02/ 2012
£¨2£©How much should be paid for a two-night stay in October 2012 at a chosen B&B?
A. 70.
B.30.
C.35.
D.40.
£¨3£©By taking up the offer, the voucher holders can choose to .
A.have lunch or evening meal without paying extra money
B.book either a basic twin or double room at the chosen B&Bs
C.use the B&B offer together with other offers
D.book the stays through B&B Daily

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More than four decades ago British scientist Robert Edwards first witnessed the miracle of human life growing inside a test tube at his Cambridge lab. Since that ground-breaking moment, more than four million babies have been born through IVF and in 2010 his great contribution to science was finally recognized as he was awarded the Nobel Prize for medicine.
The prize for Dr. Edwards, who was given a Daily Mirror Pride of Britain Award in 2008, includes a 900,000 check. The Nobel Assembly described IVF as a ¡°milestone in modern medicine¡±.
With the help of fellow scientist Patrick Steptoe, the Manchester-born physiologist developed IVF ¡ª leading to the birth of the world's first test tube baby. Dr. Steptoe died 10 years later but their work has transformed fertility treatment and given hope to millions of couples.
It was a scientific breakthrough that transformed the lives of millions of couples. They said: ¡°His achievements have made it possible to treat infertility, a disease which makes human unable to have a baby. This condition has been afflicting a large percentage of mankind including more than 10% of all couples worldwide.¡±
Louise Brown, the world's first test tube baby, made international headlines when she was born in Oldham, Gtr Manchester, in 1978 to parents Lesley and John who had been fruitlessly trying for a baby since 1969.
Ivf-in-vitro fertilization is the process whereby egg cells are fertilized outside the body before being implanted in the womb. After a cycle of IVF, the probability of a couple with infertility problems having a baby is one in five¡ªthe same as healthy couples who conceive naturally.
Professor Edwards, who has five daughters and 11 grandchildren, began his research at Cambridge University in 1963, after receiving his PhD in 1955. He once said: ¡°The most important thing in life is having a child. Nothing is more special than a child.¡± With the help of fellow scientist Patrick Steptoe, Prof. Edwards founded the Bourn Hall clinic in Cambridge shire, which now treats more than 900 women a year. Each year, more than 30,000 women in Britain now undergo IVF and 11,000 babies are born as a result of the treatment.
But his work attracted widespread criticism from some scientists and the Catholic Church who said it was ¡°unethical and immoral¡±.
Martin Johnson, professor of reproductive sciences at the University of Cambridge, said the award was ¡°long overdue¡±. He said: ¡°We couldn't understand why the Nobel has come so late but he is delighted ¡ª this is the cherry on the cake for him.¡±
Professor Edwards was too ill to give interviews but a statement released by his family said he was ¡°thrilled and delighted¡±.
£¨1£©What is Robert Edwards' contribution to science?
A.Enabling millions of couples to live a better life.
B.Helping couples with infertility to have tube babies.
C.Seeing the wonder of the first tube baby growing
D.Challenging a disease which stops human having a baby.
£¨2£©Why did Professor Edwards begin his research on tube baby?
A.Because a special child did make a difference to an ordinary family.
B.Because the birthrate around the world was unexpectedly low then.
C.Because he thought it of great significance to have a child in life.
D.Because his fellow scientist wanted to give hope to the unlucky couples.
£¨3£©It can be inferred from Paragraph 8 and Paragraph 9 that ________.
A.Professor Edwards deserved the prize for his breakthrough
B.different opinions were voiced on Professor Edwards' finding
C.some people envied Professor Edwards for his being awarded
D.the prize was late because the finding was first considered immoral
£¨4£©What might be the best title for the passage?
A.Life Stories of Robert Edwards
B.Preparations for Having a Baby
C.Nobel Prize for IVF Expert Edwards
D.Treatment of Infertility in a Lab

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Get a Thorough Understanding of Oneself
In all one's life time it is oneself that one spends the most time being with or dealing with.
When you are going upwards in life you tend to overestimate(¸ß¹À) yourself. It seems that everything you seek for is within your reach.It's likely that you think it wise for yourself to stay away from the outer world. Actually, to get a thorough understanding of oneself, you may as well keep the following tips in mind.
Gain a correct view of oneself. You may look forward hopefully to the future but be sure not to expect too much, for dreams can never be fully realized. You may be courageous to meet challenges but it should be clear to you where to direct your efforts.
Self-appreciate. Whether you compare yourself to a towering tree or a blade of grass, a high mountain or a small stone, you represent a state of nature.If you earnestly admire yourself you'll have a real sense of self-appreciation.
In time of anger, do yourself a favor by releasing it in a quiet place so that you won't be hurt by its flames; in time of sadness, do yourself a favor by sharing it with your friends so as to change a bad mood into a cheerful one; in time of tiredness, do yourself a favor by getting a good sleep.
Get a full control of one's life. Then one will find one's life full of color1 and flavor.
A. But it is precisely oneself that one has the least understanding of.
B. As long as you have a perfect knowledge of yourself, there won't be difficulties you can't overcome.
C. When you are going downhill you tend to underestimate yourself for your own incompetence.
D. It has its own value.
E. Especially if it is well within your reach, you are just too blind to see it.
F. Do oneself a favor when it's needed.
G. Do yourself a favor when you resist the attack of illness.

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Dear Sally,
Now I'd like to tell you something about my part-time job this summer vacation, of which I worked like a guide in a travel agency.The work was interesting but tired. I think it was helpful to work this holiday. It was the first time that I have earned money on my own.I've come to understand how hard my parents work to support for the family. I used to keep on ask them for money, but now I'll never waste money and learn to share worry with my parent. I've learnt how to get along well with others.
What's worse, I've gained some working and social experience and I have learnt something can' t be learnt from textbooks. All these will be good for my future. In a word, I had the wonderful and valuable summer vacation.
Yours,
Li Bing

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Best friends may be priceless but the cost of keeping the relationship alive is 23,870.
According to a study, a BFF (best friends forever) does not come cheap with devoted friends spending 4,679 on birthday presents alone over a lifetime. And while it costs nothing to be a shoulder to cry on, big-hearted Britons go the extra mile and spend 168 on pick-me-ups(ÌáÉñÎïÆ·) to get their mate through a rocky patch (¼èÄÑʱ¿Ì)like the breakup of a relationship.
There's a further 242 spent on presents to show how much they mean from gifts bought on holiday to treats for no reason. And distance does not break up a close friendship as BFFs spend a whopping(¾Þ´óµÄ) 18,000 on travel to see each other despite being miles apart because of university, jobs and marriage.
The study by cashback site TopCashBack found on average BEFs who marry can expect 431 spent on them and a further 283 on gifts when they have children. And they can rely on their pals to help out when they move houses as they will obtain 127 worth of housewarming presents and takeaways(a kind of food).
The survey based on a friendship lasting 40 years found more than eight in ten adults with a BFF felt their friendships were worth every penny.
TopCashback spokesperson Natasha Smith said: ¡°Those friendships which stand the test of time are often the most important in our lives. However, they come at a cost. From train tickets once a month to flights and a new dress for a wedding on the Italian coast, the price paid for having a best mate can soon add up. But when we asked people to compare their friendship with the financial investment(Ͷ×Ê), only 14% thought their friendship was equal to their investment with the vast majority thinking it was worth more."
£¨1£©What does the underlined word in Paragraph 2 mean?
A.generous
B.ambitious
C.troublesome
D.energetic
£¨2£©To keep the relationship, where do BEFs spend the most money?
A.Buying birthday presents.
B.Cheering up a friend in low spirits.
C.Paying for holiday gifts and other treats.
D.Going a particular distance to visit friends.
£¨3£©What is Natasha's understanding of BEF friendship?
A.It's costly and unaffordable.
B.It's expensive but worthwhile.
C.It's rewarding but hard to keep.
D.It's changeable but worth possessing.
£¨4£©How is the passage developed?
A.By listing figures.
B.By giving examples.
C.By analying causes.
D.By making comparisons.

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