My friends and I got to talking about the rules that we have in school.

At our school, we have to w    1     uniforms every day. The problem is that all my classmates think the uniforms a    2     ugly. We think young people should look s    3     and so we would like to wear our own clothes. Our teachers believe that if we did that, we would concentrate more on our clothes t    4     our studies. We disagree. We would feel more comfortable and that is good for s    5    . If we can’t do that, we should be allowed to design our own uniforms. That would be a good way to keep both teachers and students h    6    . It’s also probably a good idea for parents to a    7     teenagers to study in groups during the evening. I know we get noisy sometimes, b    8     we can learn a lot from each other. We also think that vacations should be longer. At present they’re too short. Longer vacations would g    9     us time to do things like volunteering. Last summer I had an opportunity to volunteer at the local hospital, but I couldn’t because I had to go back to school. It would be a good experience for me because I want to b    10     a doctor when I grow up.

The police find most criminals because somebody tells them who the criminals are. They find other criminals by using science and their computers. When there is a bank robbery, the police first look t    11     their computers for the names of the bank robbers that they know about. Then they go and talk to any of these robbers who are not in p    12    . They ask them where they were when the robbery happened. If any of these people cannot give a good a    13    , the police will often use science to find out if one of them is the robber.

Many criminals leave something of themselves at the places of the c    14     like a fingerprint or a hair. Or they take something away on their s    15     or clothes, like dirt or animal hair. If they leave behind some of their b    16     or their hair or a piece of skin, it will have their DNA inside it.

Everyone’s DNA is different and their f    17     are also different. So, if a criminal cuts himself during a robbery or leaves his hair, or e    18     a small piece of skin, scientists can find out what his DNA is. The police can then ask the s    19     to give them his hair or some blood and see w    20     it has the same DNA. Many criminals are in prison today because of this kind of evidences.

Robert was a young man who majored（主修）in creative advertising in college. He walked to his c    21     for daily lessons because he lived nearby. One morning, he went to his college on foot as he u    22     did. He saw a blind man sitting on the steps of a building with a sign by his feet that r    23    : ＂I am blind, please help.＂ Robert was walking by the blind man and stopped to d    24     that the man only had a few coins in his hat. He put a few of his own coins in the hat, and w    25     stopping to ask for permission(允许), took the sign, turned it around, and wrote a new message. He then placed the sign by the feet of the blind man, and went on his w    26    .

Later that afternoon Robert returned by the blind man and n    27     that his hat was almost completely f    28     of bills and coins. The blind man recognized his footsteps and asked if it was him who had changed his sign. He also wanted to know what was w    29     on it.

The young man replied: ＂I just changed your m    30    , so people could relate(联系) to it.＂ He wished the man well, said goodbye and left.

The blind man didn’t know it, but his new sign now said：＂Today Is Spring and I Cannot See It.＂

Lan Lan, a student of Grade Seven in Lushan, was taking a drawing class in a tent on April 23. Guess what she drew—a house with wings. When the teacher asked why she did so, Lan said if her house could f     31     , it wouldn’t fall down in an earthquake.

Lan’s hometown was hit by a s     32    earthquake on April 20. At least 196 people were killed and more than 11,000 were injured. Many people became homeless. Soldiers and doctors q     33    arrived in the area, saving people and rebuilding homes. Lots of money was sent there to help all those in need.

Although we can’t prevent (阻止) an earthquake from happening, we can use some methods to r     34    harm. During an earthquake, do not jump out of high buildings because it is very d     35    . Another method is to cover your head and neck u     36    a strong table or desk. If there is no shelter (躲避处) nearby, you can also stay by a wall, and cover your head and neck with your arms and hands. And then you must keep calm and stay there u     37     the shaking stops.

Japan is a c     38     which lies on the earthquake belt (地震带) and it is very good at dealing with earthquakes. From a very young age, the Japanese are already taught how to survive (幸存) them. Students often receive earthquake training. Almost in every Japanese family you can find a survival kit (救生装备) with a flash-light, a radio, water and enough food for several days. This helps people to stay a     39    after an earthquake.

“There should be more safety t     40    at schools in our country,” said Xu Jiannong, an education expert in Beijing. There is no more truth than this when one’s life is the most important of all.