The pop star walked out of the stage （) her hands elegantly to her fans.

A . It removes the top label in the MPLS label stack. B . It adds a top label in MPLS label stack. C . It replaces the top label in the MPLS label stack with another value. D . It replaces the top label in the MPLS label stack with a set of labels. E . None of above.

A . somebody B . something C . anybody D . anything

A . in person B . in private C . in order D . in progress

A．affected B．effected C．offended D．infected

Lucky you have a job in demolition. It's slow and dirty work, but steady. The fading structures of a decaying city are the great mineral mines and hardware shops of the nation. Break them down and reuse the parts. Coal is too difficult to dig up and transport to give us energy in the amounts we need, nuclear fission is judged to be too dangerous, the hoped-for breakthrough toward nuclear fusion never took place, and solar batteries are too expensive to maintain in sufficient quantity. Anyone older than ten can remember automobiles. At first, the price of gasoline climbed—way up. Finally, only the well-to-do drove, and that was too clear an indication that they were filthy rich; so any automobile on a city street was overturned and burned. The cars vanished, becoming part of the metal resource. There are advantages in 1997, if you want to look for them. The air is cleaner, and there seem to be fewer cold. The crime rate has dropped. With the police car too expensive, policemen are back on their beats. More important, the streets are full. Legs are king, and people walk everywhere far into the night. There is mutual protection in crowds. If the weather isn't too cold, people sit out front. If it is hot, the open air is the only air conditioning they get. At least the street lights still burn. Indoors, few people can afford to keep light burning after supper. As for the winter—well, it is inconvenient to be cold, with most of what furnace fuel is allowed hoarded for the dawn. But sweaters are popular indoor wear. Showers are not an everyday luxury. Lukewarm sponge baths must do, and if the air is not always very fragrant in the human vicinity, the automobile fumes are gone. It is worse in the suburbs, which were born with the auto, lived with the auto, and are dying with the auto. Suburbanites form. associations that assign turns to the procurement and distribution of food. Pushcarts creak from house to house along the posh suburban roads, and every bad snowstorm is a disaster. It isn't easy to hoard enough food to last till the roads are open. There is not much refrigeration except for the snow-banks, and then the dogs must be fought off. What energy is left must be conserved for agriculture. The great car factories make trucks and farm machinery almost exclusively. The American population isn't going up much anymore, but the food supply must be kept high even though the prices and difficulty of distribution force each American to eat less. Food is needed for export to pay for some trickles of oil and for other resources. The rest of the world is not as lucky as we are. They're starving out there because earth's population has continued to rise. The population on earth is 5.5 billion—up by 1.5 billion since 1977—and, outside the United States and Europe, not more than one in five has enough to eat at any given time. There is a high infant mortality rate. It's more than just starvation, though. There are those who manage to survive on barely enough to keep the body working, and that proves to be not enough for the brain. It is estimated that nearly two billion people in the world are permanently brain-damaged by undernutrition, and the number is growing. At least the big armies are gone. Only the United States and the Soviet Union can maintain a few tanks, planes, and ships—which they dare not move for fear of biting into limited fuel reserves. Machines must be replaced by human muscle and beasts of burden. People are working longer hours, and—with lighting restricted, television only three hours a night, new books few and printed in small editions—what is there to do with leisure？ Work, sleep, and eating are the great trinity A．a scientific study of life in 1997 B．an imaginary account of life in 1997 C．a history of life in 1997 D．a difficult time of life in 1997

A．stay B．preserve C．maintain D．reserve

A．by himself B．with his wife C．with an Italian

A．by himself B．with his wife C．with an Italian

A、 appeared suddenly B、 left quickly C、 returned quickly D、 moved quickly

A．Frightened． B．Worried． C．Annoyed． D．Disappointed．

A．thickness of the canopy B．slope of the canopy C．position of the earth D．rotation of the earth

A. had gone B. could have gone C. would go D. went

A:The members do different jobs at different places. B:They come from all parts of Beijing. C:They are persons of different ages. D:They are men and women, old and young.

A．the wide differences even in neighboring countries B．the different analyses of people" s habits C．the high rates of inactivity in two countries D．the worrying about their differences

A.At B.In C.On D.For

Paul nodded. “My brother gave it to me for Christmas.” The boy was astounded. “You mean your brother gave it to you and it didn’t cost you nothing？ Boy, I wish….” He hesitated. Of course Paul knew what he was going to wish for. He was going to wish he had a brother like that. But what the lad said jarred Paul all the way down to his heels. “I wish,” the boy went on, “that I could be a brother like that.” Paul looked at the boy in astonishment, then impulsively he added, “Would you like to take a ride in my automobile？” “Oh yes, I’d love that.” After a short ride, the boy turned and with his eyes aglow, said, “Mister, would you mind driving in front of my house？” Paul smiled a little. He thought he knew what the lad wante d. He wanted to show his neighbors that he could ride home in a big automobile. But Paul was wrong again. “Will you stop where those two steps are？” the boy asked. He ran up the steps. Then in a little while Paul heard him coming back, but he was not coming fast. He was carrying his little crippled brother. He sat him down on the bottom step, then sort of squeezed up against him and pointed to the car. “There she is, Buddy, just like I told you upstairs. His brother gave it to him for Christmas and it didn’t cost him a cent. And some day I’m gonna give you one just like it…, then you can see for yourself all the pretty things in the Christmas windows that I’ve been trying to tell you about.” Paul got out and lifted the lad to the front seat of his car. The shining-eyed older brother climbed in beside him and the three of them began a memorable holiday ride. That Christmas Eve, Paul learned what Jesus meant when he had said: “It is more blessed to give….” 1、The boy was astounded. A、He was very surprised B、He was so surprised that he was shocked C、He was extremely surprised D、The car was so beautiful that he felt excited 2、Paul looked at the boy…, then impulsively he added, “….” A、 he did this without planning and thinking B、he did this with careful thinking C、he was impelled by his brother to do this D、he was forced by his mother to do this 3、The boy was not coming fast because (). A、he was coming down the steps B、he wanted to sit down on the steps C、he wanted to see the car clearly D、he was carrying his crippled brother 4、He…squeezed up against him and pointed to the car. A、moved closer and touched him B、held him tightly in his arms C、pushed him nearer to the car D、pulled him closer and supported him 5、…the three of them began a memorable holiday ride. A、easy to remember B、likely to be noticeable C、worth remembering D、likely to be seen

Down the entrance hall of the school walk four eighth-grade students. Each one is carrying a small basket with a single egg inside. Soon more students join them each one of them is also carrying a basket with an egg. The eggs in a basket are part of a new school program that helps young people understand that having a baby is a great duty. At the beginning of the program, the teacher puts the students in pairs：one girl and one boy. Each pair gets an egg, which they must take care of for two weeks. For those fourteen days, the students have to take care of the eggs as though they were real babies. Students whose eggs get broken have to start the two weeks all over again with a new egg. One person in each pair must have the egg with him or her at all times 24 hours a day. At no time can they let the egg be out of sight. "If a teacher catches you without your egg," said one student, "she makes you go get it. They are really strict." The teachers also make the students spend half an hour each day sitting with the egg and just watching it. That can get pretty boring. But it's also something that parents spend a lot of time doing. Children say that the program has helped them understand the duties involved in having a child. "It was really hard," said one student, "You had to think all the time about the egg." The purpose of the program is to help students grasp the idea of A. carrying a basket with an egg B. bringing up a baby C. laying eggs D. studying hard at school At the beginningA.only one student joined the program B.four students in all were interested in the program C.eight students became members of the program D.more students than teachers liked the program In the third line of Paragraph 2， "they" refers toA.teachers B.students C.eggs D.programs Why should the students in the program spend half an hour each day sitting with an egg and just watching it？A.Because it is very boring to have the egg with them at all times. B.Because the teachers in this program are very strict. C.Because only in this way can students understand parents in taking care of children. D.Because if students do not do it, they will fail in the examination. From the last paragraph， we can infer thatA.a Program is not only way to educate children B.one has to think about a program all the time C.only one child grasps the purpose of the program D.the program is of help to children's understanding of parents