Most of us know little about the mental processes that lie behind our decisions.
题型：不详难度：来源：
Consider your emotions. You might think that emotions are the enemy of decision making, but in fact they’re a part of it. Whenever you make up your mind, your brain’s emotional center is active. University of Southern California scientist, Antonio Damasio, has studied people with damage to only the emotional parts of their brains, and found that they were unable to make basic choices about what to wear or eat. Damasio thinks this may be because our brains store emotional memories of past choices, which we use to help the present decision making.
However, making choices under the influence of an emotion can greatly affect the result. Take anger, for example. A study by Nitika Garg of the University of Mississippi and other scientists found the angry shoppers were more likely to choose the first thing they were offered rather than considering other choices. It seems anger can lead us to make quick decisions without much thinking.
All emotions affect our thinking and motivation, so it may be best to avoid making important decisions under their influence. Yet strangely there’s one emotion that seems to help us make good choices. The American researchers found that sad people took time to consider the various choices on offer, and ended up making the best choices. In fact many studies show that people who feel unhappy have the most reasonable view of the world.
小题1:According to the text, what may help us make better decisions?
| A．To think about happy times. |
| B．To make many decisions at a time. |
| C．To stop feeling regretful about the past. |
| D．To learn about the process of decision-making. |
| A．emotions are the enemy of decision making |
| B．our brain has nothing to do with decision making |
| C．people with physical damage find it hard to make up their minds |
| D．our emotional memories of past choices can affect present decisions |
| A．They often forget their past choices. |
| B．They make decisions without much thinking. |
| C．They tend to save time when shopping. |
| D．They are too angry to bargain. |
| A．Emotions are a part of decision making. |
| B．Sad people always make the worst choices. |
| C．No emotion seems to help us make good choices. |
| D．Only sad feelings affect our thinking and motivation. |
答案
小题1:D
小题2:D
小题3:B
小题4:A
解析
试题分析：本文是通过探究从影响我们做决定或选择的因素上出发，阐述思维过程的重要性。
小题1:总结归纳题。根据第一段Most of us know little about the mental processes that lie behind our decisions. Luckily, what psychologists are finding may help us all make better choices.可知文章突出的是过程的重要性。答案为D。
小题2:细节题：根据第二段最后一句Damasio thinks this may be because our brains store emotional memories of past choices, which we use to help the present decision making.讲的是过去做过的决定对现在的决定通常会有影响。故答案为D。
小题3:细节题：根据第三段最后一句It seems anger can lead us to make quick decisions without much thinking，正是生气让那些购物的人不去多做决定。答案选B。
小题4:主旨题： 根据第四段All emotions affect our thinking and motivation, so it may be best to avoid making important decisions under their influence.归纳出情绪对我们做决定的重要性。答案选A。
举一反三
One might get a bit more energy out of the ethanol than that used to make it, which could still make ethanol more sustainable than gas generally, but that’s not the end of the problem. Using corn to make ethanol means less corn is left to feed animals and people, which drives up the cost of food. That result leads to turning the fallow land –including, in some cases, rain forest in places such as Brazil—into farmland, which in turn gives off lots of carbon dioxide (CO) into the air. Finally, over many years, the energy benefit from burning ethanol would make up for the forest loss. But by then, climate change would have progressed so far that it might not help.
You cannot really declare any practice “sustainable” until you have done a complete life-cycle analysis of its environmental(环境的) costs. Even then, technology and public keep developing, and that development can lead to unforeseen and undesired results. The admirable goal of living sustainably requires plenty of thought on an ongoing basis.
小题1:What might directly cause the loss of the forest according to the text?
| A．The growing demand for energy to make ethanol |
| B．The increasing carbon dioxide in the air |
| C．The greater need for farmland |
| D．The big change in weather. |
| A．the energy benefit | B．the forest loss |
| C．climate change | D．burning ethanol |
| A．impractical | B．acceptable | C．admirable | D．useless |
| A．Technology | B．Sustainability |
| C．Ethanol energy | D．Environmental protection |
The answer is that your way of life, wherever you live in the world, is tied to the tropics in many ways. If you live in a house, wash your hair, eat fruits and vegetables, drink soda, or drive a car, you can be certain that you are affected by the loss of tropical forests.
Biologically, we are losing the richest regions on earth when, each minute, a piece of tropical forest, the size of ten city blocks, disappears. As many as five million species of plants, animals, and insects (40 to 50 percent of all living things) live there, and are being lost faster than they can be found and described. Their loss is immeasurable.
Take rubber for example. For many uses, only natural rubber from trees will do. Synthetics are not good enough. Today over half the world"s commercial rubber is produced in Malaysia and Indonesia, while the Amazon"s rubber industry produces much of the world"s four million tons. And rubber is an important material in making gloves, balloons, footwear and many sporting goods. Thousands of other tropical plants are valuable for their industrial use.
Many scientists strongly believe that deforestation contributes to the greenhouse effect -- or heating of the earth from increased carbon dioxide in the atmosphere. As we destroy forests, we lose their ability to change carbon dioxide into oxygen.
Carbon dioxide levels could double within the next half-century, warming the earth by as much as 4.5 degrees. The result? A partial melt-down of polar ice caps, raising sea levels as much as 24 feet; even 15 feet could threaten anyone living within 35 miles of the coast. Unbelievable? Maybe. But scientists warn that by the time we realise the severe effects of tropical deforestation, it will be 20 years too late.
Can tropical deforestation affect our everyday lives? Now, you should have got the answer.
小题1:The underlined word "synthetics" probably means_________.
| A．natural rubber | B．tropical materials |
| C．man-made material | D．commercial rubber |
| A．The forests are losing their function in turning carbon dioxide into oxygen. |
| B．Many of our daily uses are related to the tropical forests. |
| C．Tropical plants can be used to make industrial products. |
| D．High carbon dioxide levels will make the earth warmer. |
| A．puzzling | B．cold | C．supporting | D．opposed |
| A．Tropical Forests | B．The Value of Tropical Forests |
| C．Tropical Forests and Our Life | D．The Greenhouse Effects |
Some scientists believe that birds do sing some of the time just because they are happy．However they sing most of the time for a very different reason．Their singing is actually a warning to other birds to stay out of their territory．
Do you know what a “territory” is? A territory is an area that an animal, usually the male, claims (声称) as its own．Only he and his family are welcome there． No other families of the same species are welcome．Your house is your territory where only your family and friends are welcome．If a stranger should enter your territory and threaten you, you might shout．Probably this would be enough to frighten him away．
If so, you have actually frightened the stranger away without having to fight him．A bird does the same thing．But he expects an outsider almost any time, especially at nesting (筑巢) season．So he is screaming all the time, whether he can see an outsider or not．This screaming is what we call a bird’s song, and it is usually enough to keep an outsider away．
小题1:Some scientists believe that most of the time bird’s singing is actually ______．
| A．an expression of happiness | B．a way of warning |
| C．an expression of anger | D．a way of greeting |
| A．A place where families of other species are not accepted. |
| B．A place where a bird may shout at the top of its voice． |
| C．An area for which birds fight against each other． |
| D．An area which a bird considers to be its own． |
| A．Because they want to invite more friends． |
| B．Because their singing helps frighten outsiders away． |
| C．Because they want to find outsiders around． |
| D．Because their singing helps get rid of their fears． |
| A．By comparing birds with human beings． |
| B．By reporting experiment results． |
| C．By describing birds’ daily life． |
| D．By telling a bird’s story． |
Food for space has to be packed in special ways．Some of it goes into tubes that a man can squeeze into his mouth．Bite-sized cookies are packed in plastic．
There is a good reason for covering each bite．The plastic keeps pieces of food from traveling in the spaceship．On the earth very small pieces of food would simply fall to the floor．But gravity doesn’t pull them to the floor when they are out of the plastic in a spaceship．They move here and there and can get into a man’s eyes or into the spaceship’s instruments． If any of the instruments is blocked, the astronauts may have trouble getting safely home．
As astronauts travel on longer space trips, they must take time to sleep． An astronaut can fit himself to his seat with a kind of seat belt. Or, if he wants to, he can sleep in a sleeping bag which is fixed in place under his seat．But be careful he must put his hands under the belt when he goes to sleep．This is because he is really afraid that he might touch one of controls that isn’t supposed to be touched until later．
小题1:Why would astronauts cover each bite of food in space？____
| A．Because small pieces of food would fall down to the floor． |
| B．Because weightless pieces of food might make trouble when they travel around． |
| C．Because they haven’t enough food for longer trips． |
| D．Because astronauts don’t want to waste food． |
| A．walk just as they do on the earth． |
| B．not eat anything because it’s dangerous． |
| C．control the spaceship when they are sleeping． |
| D．not litter small things or it will make trouble． |
| A．Because he thinks it is comfortable to sleep in that way in space． |
| B．Because he doesn’t want to touch any controls when he sleeps． |
| C．Because the instruments of the spaceship are easily broken． |
| D．Because he is afraid that the seat will move． |
| A．Eating and Sleeping in Space |
| B．How Astronauts Eat in Space |
| C．Food for Space |
| D．How Astronauts Sleep in Space |
A study of 1,000British people has been done by Chris,a British professor and director of the Sleep Assessment and Advisory Service in the UK.It looked at the six most common sleeping positions and which personalities tend to match them.Have a look.
1. Fetus (胎儿) position – This is the most common sleeping position. About 41 percent of the participants said they sleep in this position. These sleepers may appear to be strong but they are usually sensitive (敏感的) and shy. The more they curl (蜷缩) up, the more worried they are.
2. Log position (树干睡姿) – This is the second most common position. People who sleep like a log are usually stubborn.
3. Yearner position (向往型睡姿) – This position says that you are open-minded and eager (急切的) to face challenges.
4. Soldier position – These sleepers lie on their backs with their arms down and close to the body. They are usually reserved and quiet.
5. Freefall position – People who sleep in this position are outgoing (外向的) but feel a lack of control in their lives. This is the least comfortable position.
6. Starfish position – People who sleep like this are good listeners, helpful, and uncomfortable being the center of attention.
小题1:What is the main idea of this passage?
| A．Sleeping position decides personality. |
| B．Sleeping position reflects personality. |
| C．What the six different sleeping positions are like. |
| D．Different people have different sleeping positions. |
| A． | B． | C． | D． |
| A．Those sleeping in fetus position are always strong. |
| B．Those sleeping in log position changes their ideas easily. |
| C．Those sleeping in freefall position usually feel uncomfortable in their lives. |
| D．Those sleeping in starfish position may feel uneasy when focused on. |
| A．Fetus | B．British people | C．People surveyed | D．Sleepers |
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