【文章內(nèi)容簡介】 e don’t know how different our future will be in the future. We can only try to imagine it. At first we think about human relationship. In the year 2050, we will use puters almost every day. We will be making new friends through the Interneteven our husbands or wives will be met in this way. It will be much faster and easier for us. On the other hand, our relationships with people won’t be as important as they are todaywe will feel a little lonely. Computers will also help us in many other activities in 2050. For example, they will be used by the children at school to make their learning easier. In addition, there will be much more other machines which will play a similar role as puters, like robots which will do the housework for us. Spending holidays will also be pletely different. Traveling to other planets or to the moon will be available for everyone. Means of transport will, of course, change, too. We will be using solarpowered cars, which will be much more environmentally friendly. We could expect that the faster technological progress would lead to a more polluted environment. But it isn39。t true. We will pay more attention to protecting the environment. And, scientists will probably find cures for many dangerous diseases, like cancer or AIDS. Therefore, our surroundings as well as our health will be in a better condition. Although we can’t predict the exact changes which will be made in the world, we often think about them. We worry about our and our children’s future。 we have expectations, hopes as well as fears. But I think we should be rather sanguine about our future. We should be happy and believe good things will happen. 51. Why will people probably feel a little lonely in 2050?A. Because the number of people will bee much smaller. B. Because there will be less facetoface munication. C. Because people won’t like making friends with each other. D. Because people won’t municate with each other much often. 52. The third paragraph mainly tells us ____. A. that puters will do all the things for human beings. B. how people will use puters to municate with each other. C. that machines like puters and robots will help people a lotD. how people will use robots to do the housework53. According to the passage, which of the following will happen in 2050?A. The relationship between people will be more important than today. B. The way of spending holidays will be the same as that of today.C. It won’t be difficult for people to travel to other planets. D. Our environment will be much more polluted with a growing number of cars. 54. The underlined word “sanguine” in the last paragraph most probably means ______. A. disappointed B. surprised C. curious D. optimistic 55. What does the passage mainly talk about? A. How people will municate in the year 2050 B. What our life will be like in the year 2050C. How people will travel and spend their holiday in the year 2050D. What high technology will appear in the year 2050D. First aid is emergency care for a victim of sudden illness or injury until more skillful medical treatment is available. It may save a life or improve certain vital signs including pulse, temperature, a clear airway, and breathing. In minor emergencies, first aid may prevent a victim’s condition from turning worse and provide relief from pain. First aid must be administered as quickly as possible. In the case of the critically injured, a few minutes can make the difference between plete recovery and loss of life. Firstaid measures depend upon a victim’s needs and the provider’s level of knowledge and skill. Knowing what not to do in an emergency is as important as knowing what to do. Improperly moving a person with a neck injury, for example, can lead to permanent spinal injury and paralysis. Despite the variety of injuries possible, several principles of first aid apply to all emergencies. The first step is to call for professional medical help. The victim, if conscious, should be reassured that medical aid has been requested, and asked for permission to provide any first aid. Next, asses the scene, asking other people or the injured person’s family or friends about details of the injury or illness, any care that may have already been given, and preexisting conditions such as diabetes（糖尿?。﹐r heart trouble. Unless the accident scene bees unsafe or the victim may suffer further injury, do not move the victim. First aid requires rapid assessment of victims to determine whether lifethreatening conditions exist. One method for evaluating a victim’s condition is known by the acronym（首字母縮寫詞）ABC, which stands for: AAirway: is it open and clear? BBreathing: is the person breathing? Look, listen, and feel for breathing. CCirculation: is there a pulse? Is the person bleeding externally? Check