Unit 2 Unit 2 EnvironmentEnvironment

Air pollution

What makes a foggy city?

Preparation Look at the pictures, what do you think of it?

questions

How do you feel about the environment where you live?

Have you noticed any changes in the environment over the years?

Is it possible to have indoor air pollution? If yes, what are the possible causes?

Global Reading

Read the passage and answer the

questions.

Is there an unhealthy office?

How’s the situation in the U.S.?

Para. 1.

1. What usually comes to people’s minds, when they think of air pollution?

2. Is there indoor air pollution? If yes, do you think it is more/less serious than outdoor air pollution?

Global Reading Global Reading Para.2Para.2

What’s the result of building energy-saving houses?

Global Reading Para.3

What are the most common pollutants?

Global Reading Para.4

The glues and the paint.

Where does the poisons come from?

1. With awareness about sick building environment, what are the architects and designers responsible for?

2. When building and decorating new office, what do they need to consider?

Global Reading Para.6

What are the ways to clean the air?

Global Reading Para.7

1.Setting non-smoking policies

2.Providing appropriate ventilation

3.Keeping the ventilation system in good condition

4.Using less poisonous cleaning supplies

5.Replacing carpets with wood floors

6.Using air-cleaning systems

7.Changing places of office equipment

Language Focus Para. 1 The U.S. Department of Labor Occupational

Safety and Health Administration

美国劳动职业安全与健康管理部

estimate v. to judge or calculate the nature, value, size, amount, etc.

e.g. They estimate (that) some 21.2 million Americans are working in buildings with serious indoor air pollution.

我估计他不会来了。我估计他不会来了。

I estimate that he will not come.

It is estimated that 据估计It is estimated that indoor air pollution is to be two to five times worse than outdoor air pollution.

Para. 2

come to mind to be thought about 浮现在脑海中

E.g. A good idea suddenly comes to my mind.

all that ---- very

e.g. I’m all that hungry.

confine to --- to shut, or keep in a small space 将…限制在…内 , 将…禁闭在…之中e.g. John was confined to bed for a week with his cold.

translate: It shouldn’t be all that much of a surprise considering indoor air pollution is confined to enclosed spaces.

Tr: 想想室内的空气污染是被局限在封闭的空间里就不足为怪了。

Para. 3 focus on --- to direct one’s attention toFocus your attention on your work.

把你的注意力集中在工作上

Translate: Architects and designers have focused their efforts on building energy-saving houses.

建筑师和设计师们一直致力于建造节省能源的房屋。

appropriateappropriate --- --- a correct or suitable for a pa correct or suitable for a particular situation or occasionarticular situation or occasion 合适的，适当合适的，适当的的

她说的话不适合这个场合 .

Her remarks are not appropriate for this occasion.

The result has been offices without appropriate ventilation and air flow.

build up --- to increase, to become gra

dually larger 集结 , 逐渐积聚

Dangerous chemicals build up and are

trapped inside to be breathed in by office

workers holding whatever positions in the

company.

有害的化学物质在室内滞留积聚，被办公室工作人员吸入，不管其在公司担任何种职务都不能幸免。

You’ve got a recipe for illness.

--- It’s very easy for you to get ill.

recipe ：食谱；诀窍；处方

pollute v. 污染 pollution n. 污染 Pollutant n. 污染物

E.g. The river has been polluted, because of the environment pollution, and we can find the pollutants in it.

Para. 4

potential adj. existing in possibility 潜在的e.g. potential customers 潜在客户One doesn’t have to look far to find potential

sources of poisonous pollutants in an office.

expose (to) ---lay open 使暴露

Keep indoors. Don’t expose your skin to the sun.

呆在屋内 , 不要将皮肤暴露在太阳底下。

要找到办公室里有毒污染物的潜在来源并非难事。

The most common are the glues used in pressed wood furniture and building materials as well as those for keeping the carpets in place.

The most common are the glues used in …… as well as those glues for …..

Question: what does “those” mean here ?

最常见的是压合板制成的家具、建筑材料中使用的以及用于固定地毯的各种胶水。

Paint– particularly the oil-based variety – is another source along with chemicals used in manufacturing processes and pesticides.

oil-based variety 油基涂料 along with --- besides 此外还有 manufacturing process 生产过程 pesticide n. 杀虫剂

另一种污染源是涂料 , 特别是油基涂料 . 此外还有生产过程中使用的化学物质和杀虫剂 .

Para. 5

According to research, rarely is a single pollutant present in unhealthy amounts within a sick building. Rather, it’s a range of pollutants moving though an office that combine to produce a mixture in the air.

研究表明，一幢建筑物被污染，极少是因为单一的污染物含量达到了不利于健康的程度，而是一系列污染物在办公室空气中流动时混合在一起所造成的。

responsible for have the obligation, or bear the blame for mistakes 对… 负责

e.g. Our manager is responsible for the sales.

Para.6

你已经是个成年人了 , 应该对自己所犯的错误负责 .

Eng. You’ve been an adult now, you should be responsible for your own mistakes.

replace with/by--to change sth. for sth. else e.g. In modern world, people have replaced pe

ns with/by computer.

Para.8

Other possible ways for improving workplace air quality include using less poisonous cleaning supplies, replacing carpets with wood floors.

其他改善工作场所空气质量的可行措施包括使用低毒的清洁材料，用木地板代替地毯。

keep away– to avoid being near远离

Keep away from me, baby, or I’ll kick you.

Changing places of office equipment such as copiers and printers so that harmful gases from these devices are kept away from the office workers.

调整复印机和打印机等办公设备的摆放位置，使办公室工作人员远离这些设备释放出来的有害气体。

Thank you for listeningThank you for listening