Carpets: a danger to children Not many people in HK have carpets. Why not? How could carpets be...

transcript

Carpets: a danger to children

• Not many people in HK have carpets. Why not?

• How could carpets be dangerous?

• Why would carpets be more dangerous to children than to adults?

Carpets: A danger to children

Paragraph 1:Children/ pol.

Paragraph 2:Level ofpollution

Paragraph 3:Children risk+

Paragraph 4:Carpets dust+

Paragraph 5:Kinds of pol.

Paragraph 6:Pesticides

Paragraph 7:Pesticides -time

Paragraph 8:How muchaffect?

Paragraph 9:Disease U.S.+etc.

Some experts believe that dirty carpets may be one of the reasons behind what they see as an (48) increase in (49) in developed countries.

• Paragraph 9.• “Many experts note

with alarm that in the US, … the incidence of children’s diseases … continue to rise.”

• How do the experts feel about the increase?

• Adjective• (48) alarming• What are we seeing an

increase in?• (49) children’s

diseases

These collect easily in carpets: studies have shown that a fully-carpeted home typically has about (50) much dust compared to one with (51).

• Paragraph 4.• “A house with bare

floors usually has approximately one-tenth of the dust found in a house with wall-to-wall carpets”

• If a home with floors has one-tenth of the dust, we can say that a house with carpet has …

• (50) ten times as• We are comparing

homes with carpets to homes with …

• (51) uncarpeted/bare floors.

Unacceptably high levels of contaminants, including dangerous heavy (52) and other chemicals, are commonly found in carpet (53).

• Paragraph 2• “A typical sample of

household carpet dust … would raise a serious alarm for the high concentrations of harmful heavy metals it contains.”

• What heavy substances do you find in carpets?

• (52) metals• Where exactly are

these metals found? In carpet …

• (53) dust

Unfortunately, normal vacuuming will not solve the problem, as more dust (54) than a vacuum cleaner (55)

• Paragraph 4.• “Normal vacuuming

leaves in more dust than it picks up so that, over time, dust accumulates in carpets.”

• Despite vacuuming, what happens to dust? It …

• (54) accumulates in carpets

• What does a vacuum cleaner try to do with dust?

• (55) picks up

Because small children are still growing, and proportionately they (56) in far more air than adults, they have a greater risk of damage to their health.

• Paragraph 3.• “Kg for kg, for

example, small children inhale 23 times as much air as their parents.”

• What do children do proportionately more of than their parents?

• What verb(s) means ‘inhale’ and can be followed by “in”?

• (56) breathe/take

Exposure to dangerous chemicals may slow down (57), keep them from developing normal (58) and even result in diseases such as cancer.

• Paragraph 3.

• “… poisons in the house can irritate their lungs, damage their developing nervous systems, retard their growth, disturb their hearing development, or even lead to cancer.”

• What do the poisons slow down?

• (57) their growth• The concept of

“nervous systems” cannot be expressed in one word.

• (58) hearing

Common pollutants which collect indoors typically come from dry-cleaned clothes, (59) hair, tobacco (60) and chemical cleaners.

• Paragraph 5.• “Cigarette smoke, cat

or dog hair, dust mites and mould add to the load of indoor pollutants.”

• There is only one blank for (59), so how can we express this idea?

• (59) cat’s/dog’s/pet/ animal/etc.

• (60) smoke

Even cooking may (61) containing damaging chemicals which can accumulate in carpets.

• Paragraph 5.• “Even cooking fumes

are loaded with toxins. If a parent cooks deep-fried fish, for example, some of the chemicals in the smoke find their way into the carpet.”

• What contains damaging chemicals (toxins)?

• Fumes/smoke• A verb is needed to

connect ‘cooking’ and ‘fumes’.

• (61) produce fumes/ emit smoke

Another source of toxic chemicals is the (62) that are used regularly by many households, both (63), to get rid of insects.

Another source of toxic chemicals is the (62) that are used regularly by many households, both (63), to get rid of insects.• Paragraph 6.• “In the US, 80 to 90%

of households use three or four different pesticide products each year, either inside the house or in the garden.”

• What do we use to get rid of insects?

• (62) pesticides• Where are the

pesticides used?• (63) inside and

outside/ indoors and outdoors

These can be carried into the house on (64) or by (65). (“These” = “pesticides”)

• Paragraph 6.• “Pesticides that cling

to shoes and pets’ paws get rubbed off on carpeting inside and can raise indoor pesticide levels.”

• Which of “on” or “by” will refer to something that can move of its own free will?

• (64) shoes• (65) pets

Children whose parents use these chemicals inside may (66) to high levels of contamination.

• Though you might first look in paragraph 6, it’s actually paragraph 7.

• This means that people who use pesticides indoors may expose small children to significant contamination, …”

• What may happen to these children?

• Active or passive voice?

• (66) be exposed

A recent study suggested that even if a room (67) after such chemicals are applied, they may collect on toys or capets, and stay around for days.

A recent study suggested that even if a room (67) after such chemicals are applied, they may collect on toys or carpets, and stay around for days.

• Paragraph 7.

• “This was shown in a 1998 experiment in which researchers treated two apartments with a pesticide widely used for flea control, and then opened the windows to ventilate the rooms …”

• The following sentences describe how the chemicals accumulated on toys, carpets, etc.

• This word means to allow fresh air to circulate.

• Voice?

• (67) is ventilated

Carpets: a danger to children Not many people in HK have carpets. Why not? How could carpets be...

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