（11）
The Internet as become part of young people’s life. 1_________ report shows that 38% of students often use the Internet . Most of them get 2__________ （use） information on the Internet 3_________ use the Internet to help in their studies. But many students don’t use it 4_________ a good way. Some play games too much, some visit websites 5_________ shouldn’t look at. So bad things may happen 6_________ students spend too much time on the Internet.
7_________ is important for students to use the Internet properly. Now we have a textbook, 8_________ uses many examples to teach students some good ways to use the Internet. It gives useful advice.
Some students also make 9_________ on the Internet. But if you want to have a face-to-face 10_________ （meet） with your online friends, let your parents know and meet in a proper place.
                                 （12）
Rivers are one of our most important natural resources. Many of the world’s great 1_________ are located on rivers, and almost 2__________ country has at least one river flowing through it that plays 3__________ important part in the lives of its people.
Since the beginning of history, people 4_________ （use） rivers for transportation. The longest one in the United States is the Mississippi, and the lifeline of Egypt is the Nile.5 __________ transportation, rivers give water to drink, water for crops, and chances for fun and recreation for the people 6_________ live along their banks.
However, large cities and industries that are located on rivers often make problems. As the cities grow 7__________ size and industries increase in number, the water in the rivers becomes 8__________ （pollute） with chemicals and other materials. People are learning the 9__________ （important） of doing more to keep their rivers clean 10__________ they want to enjoy the benefits of this natural resource.
                                  （13）
Liu Xiang was the first Asian 1___________ （win） the men’s 110m hurdles at the Olympics in Athens. 2__________ that he became an idol（偶像） to the young people.
“I never thought I would run under 13 seconds and break the Olympic 3__________.”said Liu Xiang in tears, “I am very very excited. I’m proud not just for myself and for Chinese 4_________ for Asia. My race went 5___________ （wonderful） from start to finish.” Liu added. “It is 6__________ amazing experience being the Olympic champion. I want to thank my coach and my friends for 7_________their help. I think today we Chinese have showed the world we 8_________ run as fast as anybody else.”
Since his return from Athens, Liu Xiang 9__________ （be） at the center of a media circus and he has been to many press appearances and meetings. But Liu thinks 2004 is just the beginning, and he expects to be at his peak in the 2008 Beijing Olympics. Liu said, “For some players, it’s just a job. For me, it’s 10_________ I love.”
 （14）
Will 1_________ matter if you don’t take your breakfast? Some time ago a test 2__________ （give） in the United Sates. Those tests included people of different 3__________ from 12 to 83. During the experiment, these people were given all kinds of breakfasts, and sometimes they got 4___________ breakfast at all. Special tests were set up to see 5___________ well their bodies worked and when they had eaten 6___________ certain kind of breakfast. The results show that if a person eats a proper breakfast, he or she will work with better effect 7___________ if he or she has no breakfast. This fact appears to be 8___________ （especial） true if a person works 9__________ his brains. For example, if a student eats fruit, eggs, bread and milk before going to school, he will learn more quickly and listen with 10__________ （much） attention in class.
 （15）
Enough sleep is important to health. The amount of sleep needed 1__________ on the age of the person and the conditions in 2__________ sleep takes place. The young may need more sleep than 3__________ old, but usually eight hours are enough for the health of grown-ups. Some can do with 4__________ than this amount, but others may need more. Every person knows his own need. 5__________ is then a matter of good judgment to satisfy his need. Sleep 6__________ always be enough to make one bring back his 7__________ （strong） and get ready for a day’s work.
   Fresh air is necessary to sound sleep. So it is not 8___________ reason for some people to think that it is practicable to sleep in the open air. A bath at bedtime, 9__________ hot nor cool but of body temperature, may be helpful to sleep. Sleepproducing drug（帮助睡眠的药物） should never be taken except when 10__________ （suggest） by a doctor.
                               （16）
Snake dishes have become popular 1________ recent years. Snake meat in various flavors （风味） can 2_________ （see） in restaurant ads very often. Eating snake seems to be now in vogue（盛行）, and if you haven’t eaten snake yet, you are considered “out of date”. But I wonder 3__________ all the trends are worth following.
Some people may defend themselves 4__________ saying that snake meat is nutritious. But these people don’t realize that many parasites（寄生虫），5_________ do harm to our health, are found inside snakes.
According 6________ a survey, about 1000 tons of snakes are eaten every year in China and sometimes as 7__________ as 10 tons of snakes are served on dinner tables in Shenzhen in a single day!
These figures warns us that if no action is taken, 8_________ number of snakes will drop and make an increase in mice and worms population, which will 9_________ in a decrease（减产） of crop output. Who will see such tragedy happen?  
So let’s start not to eat snakes any more because “to protect the snake is to protect 10__________.”
                               （17）
A few years ago, SARS 1_________ out in the mainland of China, causing some people 2_________ （kill）. And some nearly got close to death. The situation was so severe that there was3_________ time to debate who is to blame. The most important thing for the government to do is to find out the 4__________ of this deadly disease. They invited all the most 5___________ （experience） experts in this field to discuss and quite a few suggestions were put forward. Some of the top experts then tested them to see 6_________ they were available. Doctor Zhong Nanshan chose one patient who was seriously ill and had little hope 7_________ picking up and had the new medicine tested on him. 8__________ his great joy, this patient recovered! He made his way to his office and telephoned the top official, 9_________ （tell） him this exciting news. For convenience, he moved to live in his office. His method did make sense. Not soon after that, the 10_________ hospitals also controlled this terrible disease and kicked it out finally.
 （18）
I asked my uncle, who plays 1_________ piano well, 2_________ he would assess （评定） the tone of a second hand piano I was hoping to buy. We arrived 3__________ the house and Uncle Frank looked the piano over, then 4__________ （sit） down and played a mixture of honky-tonk numbers and classical pieces. When he finished, we told the family that we would call 5__________ in 15 minutes.
Outside, Uncle Frank said that 6___________ the wood was battered （坏掉的），the sound was good and we should buy it.
When I phoned the woman back, she sounded as if she was crying. Concerned, I asked, “What’s the 7__________?”
“We didn’t know the piano 8___________ play like that,” she replied. The piano wasn’t 9__________ sale, and her daughter had to resume（重新开始） taking piano 10__________.
                            （19）
In North America people are always in 1__________ hurry. Children have special lessons or sports activities 2__________ school. Parents often work late and 3___________ get home until 7 or 8 o’clock at night. Most North American families don’t have time to prepare a meal. That is 4___________ fast food is so popular in North America. People 5__________ about 40% of their dollars on fast food.
People usually buy fast food from restaurant chains such as Pizza Hut, McDonald’s, or KFC, 6_________ they can enjoy pizza, sandwiches, fried chicken, and so on. Fast food saves work and time, but it is not 7___________ （nutrition）.
Fast food is popular in many countries. American fast-food companies now have restaurants all over the world. But not 8__________ is happy about the spread（扩展） of North American fast food. A group of people in Italy want to fight 9__________ the spread of American fast food. They don’t like the idea of more fast food chains 10___________（open） restaurants in their country.
 （20）
Many people keep small fish 1_________ pets. They keep them in a tank of water. The tank is made of glass. People can 2_________ through it. They can see inside the tank and watch the fish.
The fish need room. They mustn’t be crowded. They need 3_________ to breathe. 4__________ must be enough water for all fish. So the size of the tank is very important.
In the tank people put small plants 5__________ are good for fish. They give oxygen to the water. Plants help in other ways, too. They can hide 6_________ the plants and sleep, lay eggs there.
The fish 7_________ be kept in water all the time. Some can jump high. So the tank should be covered. This keeps the fish from 8__________ （jump） out.
The fish need food and should be fed every day. But 9__________ you give them too much food, it is very bad, for the extra food will fall to the bottom and make the water dirty. So the fish should get just enough food and finish 10_________ in ten minutes. Nothing should be left.

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