Many people spend large part of time indoors—as much as 80-90% of their lives. We work, study, eat, drink and sleep in enclosed (封闭的) environment where there isn’t much fresh air. For these reasons, some experts feel that more people suffer from the effects of indoor air pollution than outdoor pollution.
There are many reasons to cause serious indoor air pollution, such as smoking, cooking and heating appliances (仪器). Also we can smell vapors (蒸汽) from building materials, paints, furniture, which can cause pollution inside buildings. Some kind of natural dangerous gas from the earth can be found concentrated (集中的) in basements (地下室) in some parts of the United States.
Pollution at home and work is often greater than outdoors. It is estimated (估计) that indoor air pollution levels are 25-62% greater than outside levels and can cause serious health problems.
Both indoor and outdoor pollution need to be controlled and prevented.
1. What is the passage about?2. Why do some experts say we suffer more inside?
3. Nature doesn’t produce dangerous gas, does it?
4. How many kinds of indoor pollution are mentioned in houses in this passage?
5. Which is more dangerous, indoor pollution or outdoor pollution?
相似题推荐
The World Is in Danger
Our world is in danger. (A)我们必须做一些事情来保护环境。 But, what are the main problems we face?
The greenhouse effect
The atmosphere around the Earth is necessary for all living things. It is like the glass of a greenhouse, letting sunlight in and (B)keeping heat from getting out. Without it, the Earth would be the same (C)________ the moon—cold and lifeless.
When we burn fuels such as petrol and coal, we produce a gas called carbon dioxide. Too much of this gas causes the atmosphere to keep in too much heat. (D)As a result of the greenhouse effect, the Earth’s temperature is increasing. This causes sea level to rise and in the future may cause cities to disappear.
Cutting down forests
Every year, we destroy nature by cutting down huge areas of forests. This makes the greenhouse effect worse (E)________ trees take in carbon dioxide and produce oxygen. Cutting down trees also destroys the homes of the animals that live in forests and causes the surface of the soil to be easily destroyed by rain. This can (F)result in floods and even more damage to the environment.
1. 将文中画线部分(A)翻译成英文：2. 写出文中画线部分(B)和(F)的同义词或近义词：
3. 在文中(C)和(E)的空白处填入适当的单词：
4. 将文中画线部分(D)改写为：
5. 从文中找出两个大气中存在的气体的名称：
【推荐2】Why do we need to throw less away? There are two reasons. One is that some resources（资源）are nonrenewable（不可再生的）. That means there is only a certain amount of that resource in the world. One example of these resources is oil. When we use up all the oil in the world, there will be no more.
There is a second reason for throwing less away. All of our trash has to be put somewhere. Often, it is put into garbage dumps（垃圾场）. Much of that trash will be there for hundreds of years. The dumps ill be filled up with all this trash.
There are three ways to cut down on trash.
One way is to recycle. When you recycle something, it means it is made into another shape and used again. Old newspapers may become paper bags. A glassware can be melted（熔化）and made into a bottle.
Another way to cut down on trash is to reuse things. You can wash and use a bottle again that can hold mustard（芥末酱）or something else.
The third way to cut down on trash is to reduce the amount of trash you make, for example, stopping buying things that you don’t need in the first place. That reduces the amount of the earth’s resources.
任务型阅读：根据文章内容填写下面表格。
| Reasons for throwing less away | Some resources are |
| The | |
| To | |
| Ways to cut down on trash | To |
| To |
【推荐3】Air is important for everyone, we live depending on it. But what if it is polluted? Air pollution is a killer. The World Health Organization says it kills about seven million people around the world each year. Even if polluted air does not kill us, it can make us very sick. It may do more than hurt your body. Breathing dirty air can also influence your brain and your ability to think. It is true whether you believe or not.
A new study shows that air pollution can influence our intelligence (智力) — cause a “huge” reduction in our intelligence. The study was carried out by researchers at Peking University and Yale University. Xi Chen of the Yale School of Public Health led the study.
The study performed for a long period. The researchers studied about 25,000 people from across China. The youngest people in the study were 10 years old, while the oldest was 90. They came from 25 of China’s 34 provinces (省) with different air levels. These Chinese men, women and children were given language and math tests during the study. Then researchers compared the test results with levels of pollution in the air. They found that breathing polluted air can reduce a person’s education level by about one year.
Xi Chen told that there are two main parts in the brain—white matter and gray matter. He said, “Air pollution has a great effect on the white matter, and white matter is more connected with a person’s language skills. So, that’s why language skills are more affected.” He also noted other studies have shown, “However gray matter is connected to our ability to solve math problems.”
Chen suggests government to make serious changes. “We need to support in cleaning up the sky instead of using in short-term avoidance, for example the face masks or air filters (过滤).”
1. What can influence your brain and your ability to think?2. Where was the new study carried out?
3. How many people did the researchers study from across China?
4. Why are language skills more affected than math?
5. What does paragraph 3 mainly talk about?
Xuanwu Lake Park lies in the northeastern part of Nanjing and it is next to Nanjing Railway Station. The lake has an area of about 4,440,000 square meters.
The name Xuanwu has a story. There is a black dragon in the lake. People think that the black dragon is a water god named Xuanwu. So the lake is called Xuanwu Lake now.
People enjoy doing different kinds of activities in Xuanwu Lake Park. Before the sunrise and even after the sunset, the park is full of visitors. Some come to run, jog, or fly kites, others to practise Taiji, and many more just want to enjoy the beautiful lake. Xuanwu Lake Park is always a popular place to take a walk. In the evening, people walk there with their friends and family members. For the jogger, Xuanwu Lake is a good place all year round. It is easy to see many people jogging along the lake from early morning to late evening. Besides, Xuanwu Lake Park is also a wonderful place to go boating and fishing. People can always have fun.
Xuanwu Lake Park is one of the greatest places of interest in Nanjing. Young people like its beauty. Old people also love it very much.
1. Xuanwu Lake Park is just2. Xuanwu Lake has an area of
3. In the story of Xuanwu, there is a
4. People can do
5. Both
It’s so easy to sleep late on your day off instead of starting a new day by getting up early. Followings are three steps to stop you becoming lazy in bed and start a new day.
Don’t sleep too much.
Almost everyone likes sleeping on his day off. But sleeping too much is bad for your health and it can make you lazier. 7-8 hours of sleep is enough. Stand up and try to walk away from the bedroom. When you get up early, it isn’t easy for you to go back to your bed.
Clean up.
You will feel ready for the day if you make your bed. When you clean your house, you will not want to go back to your bed. You will feel better and your mind will be clear when your house is clean.
Dress yourself well and have breakfast.
It’s much easier to stop being lazy when you dress yourself well in the morning. Don’t forget your breakfast, and make sure your breakfast is healthy and delicious so that you can start a new day with a good mood(心情).
Sleeping late is never a good thing and if you like it, try the steps above. They can help you start a new day.
1. The writer gives us2. Sleeping too much is bad for your health and it can
3. Cleaning up your house can help you feel better and
4.
5. The writer writes the passage to help us stop becoming lazy in bed and
We all need a healthy environment, but we produce waste every day, and it is harmful to our environment. Repeat these three words daily: reduce, reuse and recycle.
Reduce
Reduce means “use less”. Do not waste things. It saves money and causes less pollution. Do not order more food than you can finish. Turn off the lights when you do not need them. Before you buy something new, think whether it is really necessary because maybe the old one is just as good!
Reuse
Reuse means “use again”. Use things for as long as possible. Look after them so that they will last. Repair them if possible. Do not throw them away and buy new ones. Do not use paper cups or paper bags.
Recycle
Recycle means “change things into something else to be reused”. We throw tons of rubbish away each year, and we have to make a change. Divide your rubbish into plastic, glass, paper and rubber（橡胶）.Develop a recycling policy for the whole community. Buy products such as recycled paper to help save trees.
1题完成句子；2题简略回答问题；3题在文中找出同义句；4题找出并写下全文的主题句；5题将划线句子翻译成汉语。
1. Do not order more food than
2. What does the underlined word “It” in the second paragraph refer to (指的是)?
3. Take care of them so that they will be used for more time.
4.
5.
