Of all the things we eat and drink, water is the most important. Not all people realize this, but it is quite true. The human body can live without food for a long time, but two or three days without water usually result in death.

Many people do not understand how much water the human body needs, but many people do not drink enough, especially in the hot weather. Most people drink when they are thirsty but often need more water after exercises.

65 to 70 percent of the human body is water. Water is important in several different ways. Most people need five to seven liters（升） of water every day, but we needn’t drink this amount(量) because a lot comes from the food we have. If we don’t have enough water, however, we will feel tired and many become ill. Do you know what the best drink is? Yes, you are right. Cool water!

1.When do we need more water?________

2.How much water are there in the human body?_________

3.Must most people drink five liters（升）of water every day?_______

4.Which of the following is not right?_________

Our hometown is quite different from _______before.

　 A. that is was 　 B. what it was  C. which it was 　 D. when it was

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　　Have you ever been in a meeting while someone was making a speech and realized suddenly that your 1 was a million miles away? You probably felt 2 and made up your mind to pay attention and never daydream again. Most of us, from earliest school 3 , have been told that daydreaming is a waste of time.

　　“On the contrary,”says L. Giambra, an expert in psyschology,“daydreaming is quite 4 Without it, the mind couldn’t get done all the 5 it has to do during a normal day. You can’t possibly do all your thinking with a conscious mind. 6 , your unconscious mind is working out problems all the time. Daydreaming then may be one 7 in which the unconscious and conscious 8 of mind have silent dialogue.”

　　Early experts in psychology paid no attention to the importance of 9 , or even considered them harmful. At one time daydreaming was thought to be a cause of some mental 10 . They did not have a better understanding of daydreams 11 the late 1980s. Eric Klinger, a professor of psychology, is the writer of the book Daydreaming Klinger says,“We 12 now that daydreaming is one of the main ways that we, 13 our lives, learn from our experiences, and plan for our future. Daydreams are really a reflection (反映) on the things we 14 or the things we long for in life.”

　　Daydreams are usually very simple and 15 , quite unlike sleep dreams, which may be 16 to understand. it’s easier to gain a 17 understanding of your life by paying close attention to your daydreams than by trying to examine your sleep dreams carefully. Daydreams help one 18 the difficult situations in life and find out a possible way for dealing with them.

　　Daydreams cannot be predicted (预见). They move off in 19 directions, which may be creative and full of useful ideas. For many famous artists and scientists, daydreams were, and are, a main source of creative energy.

　　So next time you catch 20 daydreaming, don’t stop . Just pay attention to your dreams. They may be more important than you think.

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_____ Shanghai you see today is quite _____ different city from what it used to be.

     A. The, 不填         B. 不填, the           C. The, a        D. A. a

In England three foreign gentlemen came to a bus stop. They studied the information on the post sign and decided which bus to take. About five minutes later the bus they wanted came along. They prepared to get on. Suddenly people rushed onto the bus and tried to push them out of the way. Someone shouted insulting remarks about the foreigners. The bus conductor came rushing down the stairs to see what all the trouble was about. The three foreign gentlemen looked puzzled and ashamed. No one had told them about the British custom of lining up for a bus so that the first person who arrived at a bus-stop is the first person to get on the bus.

Learning the language of a country isn’t enough. If you want to ensure a pleasant visit, find out as much as possible about the manners and customs of your hosts. You will probably be surprised just how different they can be from your own. A visitor to India would do well to remember that people there consider it impolite to use the left hand for passing food at table. The left hand is supposed to be used for washing yourself. Also in India, You might see a man apparently shaking his head at another and assume (认为) that he is disagreeing. But in many parts of India a rotating (旋转) movement of the head is a gesture that express agreement or acceptance. Nodding your head when offered a drink in Bulgaria is likely to leave you thirsty. In that country you shake your head to express “yes” — a nod means “no”.

In Europe it is quite usual to cross your legs when sitting, talking to someone, even at an important meeting. Doing this when meeting an important person in Thailand, however, could cause offence (冒犯). It is considered too informal an attitude for such an occasion. Also when in Thailand avoid touching the head of an adult — it’s just not done. Attitudes to women vary considerably around the world. In Japan, for example, it is quite usual for men to plan evening entertainments for themselves and leave their wives at home.

Knowing about customs and attitudes is useful when you are travelling, but you also need to know the language used to express different degrees of formality (礼节).

1.The three foreign gentlemen looked puzzled and ashamed because ________.

A. they didn’t know the English language

B. the bus conductor told them to jump the queue

C. they didn’t know the custom of lining up for a bus

D. they thought they were looked down upon

2.What’s the meaning of the underlined word “insulting” in Para. 1?

A. Modest.   B. Entertaining.      C. Misunderstanding.      D. Rude.

3.Which of the following statements is TRUE according to this passage?

A. In Europe, using the left hand is considered less respected.

B. In India, the left hand is not used as a sign of respect to others.   

C. In Thailand, you’d better cross your legs when sitting or talking.       

D. In Japan, it is considered bad manners to touch the head of an adult.

4.The underlined sentence “Nodding your head when offered a drink in Bulgaria is likely to leave you thirsty” means in Bulgaria _______.

A. you are probably thirsty if you nod your head

B. you’re possibly eager to have a drink if you nod your head

C. you probably refuse to drink when you nod your head

D. you’d like to have a cup of tea because you nod your head

5.We can infer from the passage that _________.

A. in Asian countries, women are equal to men in every field

B. learning a language well is a necessity before going abroad

C. attitudes to women vary from country to country

D. in Japan, men are still the centre of the family