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1、单元综合评估四(UNIT 4)时间：120分钟满分：120分第一部分：阅读(共两节，满分50分)第一节：(共15小题；每小题2.5分，满分37.5分)阅读下列短文，从每题所给的A、B、C、D四个选项中选出最佳选项。AWe dont know how different our life will be in the future. We can only try to imagine it.At first we think about human relationships. In the year 2050，we will use computers almost every day，we
2、 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 other people wont be as important as they are todaywe will feel a little lonely.Computers will also help us in many o
3、ther activities in 2050.For example，they will be used by children at school to make their learning easier. In addition，there will be more other machines which will play a similar role as computers，like robots which will do the housework for us.Spending holidays will also be completely different. Tra
4、velling 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 environmentally friendly.We could expect that the faster economic development would lead to a more polluted environment. But it
5、isnt true. We will pay more attention to protecting the environment. Scientists will probably find cures for many dangerous diseases，like cancer or AIDS. Therefore，our surroundings as well as health will be in better condition.Although we cannot predict the exact changes which will be made in the wo
6、rld，we often think about them.We worry about our and our childrens 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.本文主要是对2050年的世界将会发生什么变化进行了简单的想象，提到了人们将去其他星球旅行，以及电脑、机器人等能为人类做的各种事情等。21T
7、he underlined word “sanguine” in the last paragraph most probably means_.AdisappointedBsurprisedCcurious Doptimistic解析：词义猜测题。根据最后一段的最后一句“We should be happy and believe good things will happen.”可知，作者认为我们应该对将来保持乐观的心态，相信美好的事情将会发生。disappointed失望的；surprised惊讶的；curious好奇的；optimistic乐观的。故选D。答案：D22According
8、 to the passage，which of the following will happen in 2050?AIt will not be difficult for people to travel to other planets.BOur environment will be much polluted with a growing number of cars.CThe way of spending holidays will be the same as that of today.DThe relationship between people will be mor
9、e important.解析：细节理解题。根据第四段“Spending holidays will also be completely different.Travelling to other planets or to the moon will be available for everyone.”可知，在2050年，旅游度假也将会变得不同，每个人都能去其他星球旅行。故选A。答案：A23The third paragraph mainly tells _.Athat computers will do all the things for human beingsBhow people
10、 will use robots to do the houseworkCthat machines like computers and robots will help people a lotDhow people will use computers to communicate with each other解析：段落大意题。根据“Computers will also help us in many other activities in 2050.there will be more other machines which will play a similar role as
11、 computers，like robots”可知，第三段讲的是，到2050年，电脑和其他机器(如机器人)将帮助人们做许多事情。故选C。答案：C24What does the passage mainly talk about?AWhat high technology will appear in the year 2050.BWhat our life will be like in the year 2050.CHow people will communicate in the year 2050.DHow people will travel and spend their holi
12、days in the year 2050.解析：主旨大意题。根据文章第一段内容，及其后各段落的第一句可知，文章对2050年的生活进行了一些大胆的猜想。故选B。答案：BBYour car is a necessary part of your life.You use it every day.Of course, you want to hold on to it so you make sure it has the latest alarm and immobilizer (汽车防盗器)But despite all these, cars like yours are still st
13、olen every day.In fact, in this country，one car is stolen almost every minute! And if your car is stolen, you only have a 50：50 chance of seeing it again.Each year，car crime costs nearly 3 billion.Of course, if youre insured (保险)，you wont lose out, or will you? Firstly, you will have to pay extra in
14、surance later on, and then you may not be offered the full amount by the agent.You will probably have to hire a car and you will also lose the value of the contents and accessories (配件)in the car.Now comes the solution.An RAC Trackstar system, hidden in one of 47 possible secret locations in your ca
15、r, is the key to our system.If your car is stolen, radio signals are sent at twentysecond intervals from the car to the RAC Trackstar National Control Center via a satellite network.Then a computer gives the vehicles exact location, speed and direction.The RAC Trackstar National Control Center, whic
16、h operates 24 hours a day, 365 days a year，will immediately inform the police in the area where the car is located.Because the police receive information every twenty seconds，they will always know the vehicles location.Once the thief has been arrested，your car will be returned to you.RAC Trackstar is unique in being able to provide the National Con
