The world is not only hungry, but it is also thirsty for water．This may seem strange to you，since nearly 70 percent of the earth's surface is covered with water．But about 97 percent of this huge amount is sea water, or salt water．Man can only drink and use the other 3 percent-the fresh water from rivers，lakes，underground，and other sources．And we cannot even use all of that，because some of it is in the form of icebergs and glacier．Even worse，some of it has been polluted．
However，as things stand today, this small amount of fresh water is still enough for us．But our need for water is increasing rapidly-almost day by day．Only if we take steps to deal with this problem now can we avoid a severe worldwide water shortage later on．
We all have to learn how to stop wasting our valuable water．One of the first steps is to develop ways of reusing it．
Today in most large cities，water is used only once and then sent out into a sewer system．From there it returns to the sea or runs into underground storage tanks．But it is possible to pipe used water to a purifying plant．There it can be treated with chemicals so that it can be used again，just as if it were fresh from a spring．
But even if every large city purified and reused its water，we still would not have enough．All we'd have to do make use of the vast reserves of sea water in the world is to remove the salt．
If we take these steps we'll be in no danger of drying up．
56．The world is thirsty for water because we can only use      percent of the water covering the surface of the earth．
A．3    B．more than 3    C．less than 3    D．97
57．Which of the following statements is NOT TRUE?
A．As things remain unchanging，this small amount of fresh water is still enough for us．
B．Our need for water is becoming larger and larger．
C．There will be no water shortage in the future．
D．We should take steps to deal with the water shortage problem．
58．To reuse water, we should              ．
A．treat it with chemicals              B．use it only once
C．send it out into a sewer system       D．make it flow into underground tanks
59．In order to have enough water．we should also make use of          ．
A．icebergs and glaciers    B．sea water
C．rivers and lakes        D．underground water

Computers Help Fire Fighters
In Kansas City, Missouri, a computer helps fire fighters. The computer contains information about every one of the 35000 street addresses in the city. When fire fighters answer a call, the computer will give them important about the burning building, its position and almost all the ways of helping fire fighters with the problems facing them. For example, it can give medical information about invalids living in a burning building. With this information, the fire fighters can take special care to find these sick persons and carry them away quickly and safely.
The Kansas City computer system also keeps a medical record of each of the city’s 9000 fire fighters. The kind of information is especially useful when a hospital can treat the injured. With this information, doctors at the hospital can treat the injured fire fighters more quickly and easily.
1. Missouri is most likely the name of ___________.
A. a well—known river                   B. the head of the fire fighters
C. a state in the USA                     D. a new kind of computer
2. The computer can give ______________.
A. useful and useless information about the city
B. useful information about everyone living in the city
C. useful information about every street address in the city
D. information about every town around the city
3. In this passage the word “invalid” means a person __________.
A. who is badly injured               B. who is helped by firemen
C. who wants to be a firemen          D. who has become weak through illness or injury
4. If injured, the firemen will ___________.
A. be treated at once with the computer’s help    B. hardly get any treatment
C. ask doctors and nurses for help             D. be taken to hospital by the computer

B
The Internet has opened up a whole new on-line world for us to meet, chat and go where we’ve never been before.
But just as in face-to-face communication, there are some basic rules of behavior that should be followed when online. The basic rule is simple: treat others in the same way you would want to be treated. Imagine how you’d feel if you were in the other person’s shoes.
For anything you’re about to send: ask yourself, “Would I say this to the person’s face?” If the answer is no, rewrite and reread. Repeat the process till you feel sure that you’d feel comfortable saying the words to the person’s face.
If someone in the chat room is rude to you, your instinct (本能) is to fire back in the same way. But try not to do so. You should either ignore the person, or use your chat software to block their messages. If it was caused by a disagreement with another member, try to fix the situation by politely discussing it. Remember to respect the beliefs and opinions of others in the chat room.
Everyone was new to the network once. Offer advice when asked by newcomers, as they may not be sure what to do or how to communicate. When someone makes a mistake whether it’s a stupid question or an unnecessarily long answer ,you should be kind about it. If it’s a small mistake, you may not need to say anything. Even if you feel strongly about it, think twice before saying anything. Having good manners yourself doesn’t give you license to correct everyone else.
If you do decide to tell someone about a mistake, point it out politely. At the same time, if you find you are wrong, be sure to correct yourself and say sorry to those that you have offended （冒犯，得罪）.
It is not polite to ask others personal questions such as their age, sex, and marital status. Unless you know the person very well, and you are both comfortable with sharing personal information, don’t ask such questions.
4. When you send short messages to a person, you must_____.
A. make sure that they mean no harm
B. read them again and again
C. say something good to hear
D. repeat them later to the person’s face
5. If you are hurt in the chat room by others, you should ____.
A. fight back in the same way          B. take them seriously
C. pay no attention to it               D. be angry at them
6. This passage mainly tells us_____.
A. some rules of Internet communication
B. ways of sending messages
C. rules of the chat room
D. ways of making friends on the Internet

Every day, all across the nation, as many as one in four children refuse to go to school. The reasons are various. "School Refusal," formerly known as ''School Phobia", is an actual anxiety-based disorder. Many children are vague about their complaints and unable to be sure what is making them anxious, so it is sometimes regarded as typical childhood will fullness. However, the effects of constant school refusal can be far-reaching for your child’s education.
So, where's the 1ine between what's normal and what's not? "You need to look at whether it is affecting the child or family's normal life," explains Christopher Kearny, Ph.D. In other words,
if a child's grades are suffering from frequent absences or a parent’s job is disturbed, it is time to look closely at the issue. Parents should listen carefully to children who say they can’t go to school because of “untestable things" such as stomachaches or headaches. While these complaints alone don't necessarily indicate school refusal, there may be deeper problems if combined with general complaints about school, talks of threats at school and so on.
There are different kinds of behavior in school refusal. Some children are influenced by their friends who skip school to hang out with their friends, showing a sense of rebellion(叛逆).
Some children cling to their mother's, screaming at the thought of having to enter the school bui1ding.
However, that doesn't mean that getting a child back into the c1assroom is impossible. According  to Maryann Roth, a school psychologist and guidance counselor(顾问), parents should attempt to make the child get back to school, no matter how hard it is. Working closely with school officials and possibly a specialist to create a plan is a necessary step.
67. The underlined word 'vague' (Paragraph l) is closest in meaning to _______.
A. irregular B. unclear C. curious D. unusual
68. According to Paragraph2, the real reason of "School Refusal" may be that the children___________
A. are suffering from illness       B. are afraid of endless tests
C. want to stay with their parents    D. feel bored and unsafe at school
69. When facing "School Refusal" of their children, parents should _________.
A. take the problem serious1y if their daily life is disturbed  
B. discuss the seriousness of the problem with their children
C. take their children to see the doctor immediately
D. keep their children away from their rebellious friends
70. The passage intends to ________.
A. explain that "School Refusal" is a symptom of an illness
B. explain the phenomenon of 'School Refusal" and how t treat it
C. remind parents to take good care of their children
D. explain that ‘Scholl Refusal’ is normal and not serious

Some American parents might think their children need better education to compete with China and other countries’ children． But how much do the parents themselves need to change?
A new book Battle Hymn of the Tiger Mother written by Amy Chua has caused a debate about cultural differences in parenting． Ms． Chua is a professor at the Yale Law School in New Haven, Connecticut, and a mother of two daughters． She was raised in America by immigrant Chinese parents． In her book, Ms． Chua wrote about how she demanded excellence from her daughters． For example, she threatened to burn her daughter’s dolls unless she played a piece of music perfectly． She would scold her daughters if they failed to meet her expectations．
Ms． Chua had a clear list of what her daughters, Sophia and Louisa, were not permitted to do: “Attend a sleepover, have a play date, watch TV or play computer games, be in a school play, get any grade less than an A．” Many people criticize Amy Chua, saying her parenting methods were cruel and violent． She even admits that her husband, who is not Chinese, sometimes objected to her parenting style． But she says that is the way her parents raised her and her three sisters．
Ms． Chua says she eased some of the pressure after her younger daughter rebelled and shouted “I hate my life! I hate you!” But she also says American parents often have low expectations of their children’s abilities． Amy Chua thinks one of the biggest differences between Western and Chinese parents is that Chinese parents take on strength rather than fragility．”
Stacy DeBroff, who has written four books on parenting, says: “Parents should rethink, what does it mean to be a successful parent and what does it mean to be a successful child?” She says Amy Chua’s parenting style is not limited to Chinese families． It represents a traditional way of parenting among immigrants seeking a better future for their children． But she also sees a risk． When children have no time to be social or to follow their own interests, they might not develop other skills that they need to succeed in life． Stacey DeBroff advises parents to develop their own style of parenting and not just repeat the way they were raised．
【小题1】Battle Hymn of the Tiger Mother is mainly about ___________．