河北省武邑中学2015届高三英语一轮复习55分钟课堂练习九 WORD版含答案.doc
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- 河北省武邑中学2015届高三英语一轮复习55分钟课堂练习九 WORD版含答案 河北省 武邑 中学 2015 届高三 英语 一轮 复习 55 分钟 课堂 练习 WORD 答案
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1、2014-2015高三一轮复习第 九 期Editor: :刘向丽 Proofreader: 方新杰55分钟课堂练习集中识词第一部分 阅读理解 A The term “multitasking” originally referred to a computers ability to carry out several tasks at one time. For many people, multitasking has become a way of life and even a key to success. In fact, some excellent mental aerobic
2、 exercises (人脑训练) involve engaging the brain in two or more challenging activities at a time. Although checking e-mail while talking on a phone and reading the newspaper may be second nature for some people, many times multitasking can make us less productive, rather than more. And studies show that
3、 too much multitasking can lead to increased stress, anxiety and memory loss. In order to multitask, the brain uses an area known as the prefrontal cortex (前额叶脑皮层). Brian scans of volunteers performing multiple tasks together show that as they shift from task to task, this front part of the brain ac
4、tually takes a moment of rest between tasks. You may have experienced a prefrontal cortex “moment of rest” yourself if youve ever dialed (拨电话) a telephone number and suddenly forgotten who you dialed when the line is answered. What probably occurred is that between the dialing and the answering, you
5、r mind shifted to anther thought or task, and then look that “moment” to come back. Research has also shown that for many volunteers. Job efficiency (效率) declines while multitasking as compared to when they perform only one task at a time. Multitasking is easiest when at least one of the tasks in ha
6、bitual, or requires little thought. Most people dont find it difficult to eat and read the newspaper at the same time. However, when two or more attentionrequiring tasks are attempted at one time, people sometimes make mistakes. We often dont remember things as well when were trying to manage severa
7、l details at the same time. Without mental focus, we may not pay enough attention to new information coming in, so it never makes it into our memory stores. That is one of the main reasons we forget peoples names-even sometimes right after they have introduced themselves. Multitasking can also affec
8、t our relationships. If someone checks their e-mail while on the phone with a friend, they may come off as absent-minded or disinterested. It can also cause that person to miss or overlook key information being passed on to them. 1. Why are some mental aerobic exercises designed to engage people in
9、multitasking? A. To make them more productive. B. To reduce their stress and anxiety. C. To develop their communication skills. D. To help them perform daily tasks more easily.2. According to Paragraph 2, why may a person suddenly forget who has called? A. He may leave his prefrontal cortex temporar
10、ily damaged. B. He is probably interrupted by another task. C. He is probably not very familiar with the person he has called. D. He may need a rest between dialing and speaking. 3. People tend to make mistakes when _. A. they perform several challenging tasks at a time. B. new messages are processe
11、d one after anotherC. their relationships with others are affected D. the tasks require little thought4. What is the main idea of the passage? A. Multitasking has become a way of life. B. Multitasking often leads to efficiency decline. C. Multitasking exercises need to be improved. D. Multitasking e
12、nables people to remember things better.B A rainforest is an area covered by tall trees with the total high rainfall spreading quite equally through the year and the temperature rarely dipping below l6Rainforests have a great effect on the world environment because they can take in heat from the sun
13、 and adjust the climateWithout the forest cover,these areas would reflect more heat into the atmosphere,warming the rest of the world. Losing the rainforests may also influence wind and rainfall patterns,potentially causing certain natural disasters all over the world In the past hundred years,human
14、s have begun destroying rainforests in search of three major resources(资源):land for crops,wood for paper and other products,land for raising farm animalsThis action affects the environment as a wholeFor example,a lot of carbon dioxide (二氧化碳)in the air comes from burning the rainforestsPeople obvious
15、ly have a need for the resources we gain from cutting trees but we will suffer much more than we will benefit. There are two main reasons for thisFirstly,when people cut down trees,generally they can only use the land for a year or twoSecondly,cutting large sections of rainforests may provide a good
16、 supply of wood right now,but in the long run it actually reduces the worlds wood supply Rainforests are often called the worlds drug storeMore than 25 of the medicines we use today come from plants in rainforestsHowever,fewer than lof rainforest plants have been examined for their medical valueIt i
17、s extremely likely that our best chance to cure diseases lies somewhere in the worlds shrinking rainforests5Rainforests can help to adjust the climate because they Areflect more heat into the atmosphere Bbring about high rainfall throughout the world Crarely cause the temperature to drop lower than
18、l6 Dreduce the effect of heat from the sun on the earth6What does the word “this” underlined in the third paragraph refer to? AWe will lose much more than we can gain BHumans have begun destroying rainforests CPeople have a strong desire for resources DMuch carbon dioxide comes from burning rainfore
19、sts7It can be inferred from the text that . Awe can get enough resources without rainforests Bthere is great medicine potential in rainforests Cwe will grow fewer kinds of crops in the gained land Dthe level of annual rainfall affects wind patterns8What might be the best title for the text? AHow to
20、Save Rainforests BHow to Protect Nature CRainforests and the Environment DRainforests and Medical DevelopmentC I needed to buy a digital camera, one that was simply good at taking good snaps (快照), maybe occasionally for magazines. Being the cautious type, I fancied a reliable brand. So I went on the
21、 net, spent 15 minutes reading product reviews on good websites, wrote down the names of three top recommendations and headed for my nearest big friendly camera store. There in the cupboard was one of the cameras on my list. And it was on special offer. Oh joy, I pointed at it and asked an assistant
22、, “Can I have one of those?” He looked perturbed (不安). “Do you want to try it first?” he said, It didnt quite sound like a question. “Do I need to?” I replied ,“There is nothing wrong with it?” This made him look a bit insulted and I started to feel bad, “No, no, but you should try it,” he said enco
23、uraging, “compare it with the others.” I looked across at the others: shelves of similar cameras placed along the wall, offering a wide range of slightly different prices and discounts, with each company selling a range of models based around the same basic box. With so many models to choose from, i
24、t seemed that I would have to spend hours weighing X against Y, always trying to take Z and possibly H into account at the same time. But when I had finished, I would still have only the same two certainties that I had entered the store with: first, soon after I carried my new camera out of the shop
25、, it would be worth half what I paid for it; and second, my wonderful camera would very quickly be replaced by a new model. But something in the human soul whispers that you can beat these traps by making the right choice, the clever choice, the wise choice. In the end , I agreed to try the model I
26、had chosen. The assistant seemed a sincere man . So I let him take out of my chosen camera from cupboard, show how it took excellent pictures of my fellow shoppers and when he started to introduce the special features, I interrupted to ask whether I needed to buy a carry-case and a memory card as we
27、ll.Why do we think that new options (选择) still offer us anything new? Perhaps it is because they offer an opportunity to avoid facing the fact that our real choices in this culture are far more limited than we would like to imagine.9. The shop assistant insisted that the writer should A. try the cam
28、era to see if there was anything wrong with it.B. compare the camera he had chosen with others.C. get more information about different companies.D. trust him and stop asking questions.10. What does the writer mean by “it would be worth half what I paid for it ”(paragraph 2)A. He should get a 50% dis
29、count.B. the price of the camera was unreasonably high.C. the quality of the camera was not good.D. the camera would soon fall in value.11. The writer decided to try the model he had chosen because A. knew very little about it.B. didnt trust the shop assistant.C. wanted to make sure the one he chose
30、 would be the best.D. had a special interest in taking pictures of his fellow shoppers.12. It can be inferred from the passage that in the writers opinion, A. people waste too much money on camerasB. cameras have become an important part of our daily lifeC. we dont actually need so many choices when
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