Outdoor air pollution is an obvious danger because it’s hard to miss.Auto gases, industrial waste, city smog—everyone knows they’re a health hazard(危险) and a call for solutions is on everyone’s lips.But there’s another threat just as perilous— a hidden threat(威胁) we are usually unaware of.We’re speaking about the threat of indoor air pollution.
The dangers caused by indoor air pollution are too often underestimated(低估) and overlooked.According to a recent study, indoor air pollution can be many times higher than outdoor air pollution.A similar study by the Environmental Protection Agency shows that, in general, the air in our homes and offices is two to five times more polluted than outdoor air.
Scientific studies have found that indoor air pollution exacerbates(恶化) the symptoms of asthma(哮喘), and contributes to causing nausea(恶心), headaches and damage to the central nervous system.Evidence has even been found linking poor indoor air quality to certain cancers.Children who spend eighty percent of their time inside are particularly affected by indoor air pollution.
Cigarette smoke, chemical fertilizers(肥料), perfumes and clothing that has been dry-cleaned may contribute to indoor air pollution.Building materials—including paint and glue—are also contributors.
And homes aren’t the only indoor areas affected by this danger.Offices are affected too—sometimes more so—with their copy machines and printers, inks and processing solutions (显影液)and so on.
Fortunately there are many ways to reduce indoor air pollution and improve indoor air quality in your home and office.A major first step would be the use of an air purifier(净化器).What does the underlined word “perilous” mean?
| A．Nervous. | B．Similar. | C．Obvious. | D．Dangerous. |
The author mentions some studies in Paragraph 2 to show indoor air pollution__________.
| A．is recently overestimated |
| B．is very common and serious |
| C．has drawn people’s attention |
| D．is linked to many serious diseases |
Which of the following is the usual contributor of air pollution in our homes?
| A．Smoking. | B．Printing. |
| C．Copy machines. | D．Processing solutions. |
7.What would be discussed in the paragraph that follows?
| A．An introduction to the air purifier. |
| B．Other dangers of indoor air pollution. |
| C．Other sources of indoor air pollution. |
| D．More solutions to the problem of air pollution. |
Architects have long had the feeling that the places we live in can affect our thoughts, feelings and behaviors. But now scientists are giving this feeling an empirical (经验的，实证的) basis. They are discovering how to design spaces that promote creativity, keep people focused and lead to relaxation.
Researches show that aspects of the physical environment can influence creativity. In 2007, Joan Meyers-Levy at the University of Minnesota, reported that the height of a room’s ceiling affects how people think. Her research indicates that higher ceilings encourage people to think more freely, which may lead them to make more abstract connections. Low ceilings, on the other hand, may inspire a more detailed outlook.
In additions to ceiling height, the view afforded by a building may influence an occupant’s ability to concentrate. Nancy Wells and her colleagues at Cornell University found in their study that kids who experienced the greatest increase in greenness as a result of a family move made the most gains on a standard test of attention.
Using nature to improve focus of attention ought to pay off academically, and it seems to, according to a study led by C. Kenneth Tanner, head of the School Design & Planning Laboratory at the University of Georgia. Tanner and his team found that students in classrooms with unblocked views of at least 50 feet outside the window had higher scores on tests of vocabulary, language arts and maths than did students whose classrooms primarily overlooked roads and parking lots.
Recent study on room lighting design suggests than dim (暗淡的) light helps people to loosen up. If that is true generally, keeping the light low during dinner or at parties could increase relaxation. Researchers of Harvard Medical School also discovered that furniture with rounded edges could help visitors relax.
So far scientists have focused mainly on public buildings. “We have a very limited number of studies, so we’re almost looking at the problem through a straw (吸管),” architect David Allison says. “How do you take answers to very specific questions and make broad, generalized use of them? That’s what we’re all struggling with.”What does Joan Meyers-Levy focus on in her research?
| A．Light. | B．Ceilings. |
| C．Windows. | D．Furniture. |
The passage tells us that ___________.
A. the shape of furniture may affect people’s feelings
B. lower ceilings may help improve students’ creativity
C. children in a dim classroom may improve their grades
D students in rooms with unblocked views may feel relaxedThe underlined sentence in the last paragraph probably means that __________.
A. the problem is not approached step by step
B. the researches so far have faults in themselves
C. the problem is too difficult for researchers to detect
D research in this area is not enough to make generalized patterns
Researchers are placing robotic dogs (机器狗) in the homes of lonely old people to determine whether they can improve the quality of life for humans. Alan Beck, an expert in human-animal relationship, and Nancy Edwards, a professor of nursing, are leading the animal-assisted study concerning the influence of robotic dogs on old people’s depression, physical activity, and life satisfaction. “No one will argue that an older person is better off being more active, challenged, or stimulated (刺激),” Edwards points out. “The problem is how we promote (使……成为现实) that, especially for those without friends or help. A robotic dog could be a solution.”
In the study, the robot, called AIBO, is placed for six weeks in the houses of some old people who live alone. Before placing AIBO in the home, researchers will collect baseline data for six weeks. These old people will keep a diary to note their feelings and activity before and after AIBO. Then, the researchers will review the data to determine if it has inspired any changes in the life of its owner.
“I talk to him all the time, and he responds to my voice,” says a seventy-year-old lady. “When I’m watching TV, he’ll stay in my arms until he wants down. He has a mind of his own.”
The AIBOs respond to certain orders. The researchers say they have some advantages over live dogs, especially for old people. Often the elderly are disabled and cannot care for an animal by walking it or playing with it. A robotic dog removes exercise and feeding concerns.
“At the beginning, it was believed that no one would relate to the robotic dog, because it was metal and not furry, ” Beck says. “But it’s amazing how quickly we have given up that belief.”
“Hopefully, down the road, these robotic pets could become a more-valuable health helper. They will record their masters’ blood pressure, oxygen levels, or heart rhythms. AIBOs may even one day have games that can help stimulate older people’s minds. ”The purpose of Beck and Edwards’ study is to __________.
| A．understand human-animal relationship |
| B．make lonely old people’s life better |
| C．find the causes of old people’s loneliness |
| D．promote the animal-assisted research |
In the research, the old people are asked to ____________.
| A．note the activities of AIBOs |
| B．keep AIBOs at home for 12 weeks |
| C．record their feelings and activity. |
| D．analyze the collected information |
What is the advantage of AIBO over live dogs?
| A．It is easier to keep at home. |
| B．It can help the disabled people. |
| C．It responds to all the human orders. |
| D．It can watch TV with its owner. |
The author seems to suggest that the future robotic dogs may _____________.
| A．cure certain diseases |
| B．keep old people active |
| C．change people’s beliefs |
| D．look more like real dogs |
It is common and usual to see people freak out when they face challenges in their life. We all pass in different life problems and challenges. No one is free of life problems. Only a dead man faces no problem. As long as you are alive, challenges are everywhere.
How do you face problems and challenges in your life? Problems and challenges are the building blocks of your personality. They make you who you are. Besides, whether what happened in your life builds or destructs you depends on how you look at it. If you take your problems as troubles, they will be troubles and may cause destruction. If you take them as constructive tools, you are going to be built up on them.
Problems are everywhere. No one can avoid them. And they are good too. They open up a different look and opportunity if you are willing to see. When you face troubles, do not frustrate or freak out. Just cool yourself to think in a different direction. Think in a positive way. Every problem has its own good as well as bad sides. Focus on the good one. Look at the bright side.
Besides, there is always a good person, perhaps your mom or dad, or one of your friends, right beside you, who can turn everything into your best if you are willing to turn to them. No matter what happens, they will be there to help you. Trust them and they will never let you down. All you need to know is that you are loved wherever you are.What’sthemeaningoftheunderlinedphrase“freakout”inParagraph1?
| A．feelshy. | B．staycalm. |
| C．keepsilent. | D．feelupset. |
InParagraph2,thewriterimplies(暗指)that______.
| A．problemscausetroubles |
| B．attitudeiseverything |
| C．challengescanbeavoided |
| D．personalitiesarebuiltonfailures |
What’sthewriter’spurposetowritethepassage?
| A．toencourage. | B．tocompare. |
| C．toprove. | D．toexplain. |
Whatcanbethebesttitleofthepassage?
| A．HowtoAvoidProblems |
| B．ChallengesAreEverywhere |
| C．FaceYourChallengesBravely |
| D．YouAreLovedWhereverYouAre |
Robert and Peter study in the same university. They do everything together and help each other. But they often play jokes on each other. The school year was over last month and they decided to travel through the country in America. They drove a car and could stop wherever they were interested in and started whenever they wanted. Of course they enjoyed themselves. It was very hot one day and they were both hungry and thirsty. They stopped in front of a restaurant by the road. They came in, sat down at a table and ordered some dishes. Robert looked around and found there was a small bowl on the table. He thought there was some ice cream in it and took a spoonful of it and put it into his mouth. Immediately he knew it was mustard(芥末),but it was too late. Tears ran down his face, but he pretended nothing had happened. The other young man, seeing his friend crying, asked, “What are you crying about, Robert?” “I’m thinking of my father who was hanged twenty years ago,” was his reply.
After a while, Peter made the same mistake. Tears ran down his cheeks, too. And his friend asked him why.
“I wonder why your father hadn’t been hanged before he got married!”Robertdidn’ttellPeteritwassomemustardinthebowlbecause .
| A．hewantedhisfriendtorepeatthemistake. |
| B．hedidn’tknowhisfriendhatedit. |
| C．hethoughthisfriendknewwhatitwas. |
| D．hethoughthisfriendwasinterestedinit. |
What do Peter’s last words mean?
| A．Robert’s father would be hanged earlier. |
| B．It was wrong to play a joke on a friend. |
| C．He must give his friend a lesson. |
| D．His friend wouldn’t be born. |
The writer mainly wants to tell us________ in this passage.
| A．not to trust your friend. |
| B．a joke |
| C．not to mistake mustard for Ice cream. |
| D．it’s wrong to lie to friends |
The United Kingdom of Great Britain and Northern Ireland is the eleventh largest nation in Europe. England, Wales and Scotland make up the island of Great Britain, which takes up most of the Britain Isles. Northern Ireland, Scotland and Wales are mountainous. The highest mountain is Ben Nevis in Scotland. Plains and valleys cover much of England. The British climate is mild.
About 58 million people live in the United Kingdom. Few other countries are so crowded. Four out of five people live in cities such as Belfast, Glasgow, and London. London is the capital. Great Britain grows half of the food it needs. Its industries help to pay for the food that is bought from abroad. The United Kingdom manufactures a wide range of goods. Service industries, such as tourism, that provide services rather than producing goods, are increasing. Traditional industries, such as coal mining, are declining.There are many mountains in ______________.
| A．Northern Ireland, Scotland and England |
| B．England, Wales and Scotland |
| C．Wales, Scotland and Northern Ireland |
| D．Northern Ireland, Wales and England |
In the United Kingdom, about __________people live in big cities.
| A．58 million | B．46 million |
| C．38.8 million | D．half |
According to the passage, which of the statements is true?
| A．Great Britain grows all of the food it needs. |
| B．The United Kingdom manufactures a narrow range of goods. |
| C．The speed of tourism in UK is increasing faster than producing goods. |
| D．The coal mining is also increasing fast. |
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