外研版必修3Module4學案

the green bridge path does not always run smooth. the friends of nature once appealed for no further expansion of the capital iron and steel company in the downtown area, but received no response on this issue.
as fast as chinese non-government environmental protection organizations may develop, they are still far short of china's need. compared with their foreign counterparts in regard to educating the masses, supervising the implementation of environment-related laws and regulations, and pushing forward the policy-making of the government, chinese non-government environmental protection organizations still have a long way to go.
this is current situation regarding china's environmental protection. on the one hand, some people already acknowledge how crucial environmental protection is, and understand that it requires a fundamental change in life style. on the other, many people are indifferent to ongoing environmental damage. it is obvious that environmental protection will remain an up hill task for the chinese in the 21st century - one that endorses the imperative need for the existence of such organizations.
period 7 writing (writing and task，page38)
the purpose of this writing is for students to describe one environmental problem and say what we should do about it. it’s a good opportunity for a discussion about the problems and the solutions. after the discussion, they can write down the problems and the way to solve them.
step 1 lead in
t: last class we have read some materials about environmental protection. do you know some major environmental problems?
s1: air pollution, petrol pollution, waste water and noise pollution.
t: ok. there are many types of pollution. but choose a major one around you and find out the solution to solve it. now discuss the problem in pairs and write down in a few sentences.
t: have you finished it? i’ll ask some of you to read your short passage.
s1: one major environmental problem is indoor air pollution. there are many sources of indoor air pollution. tobacco smoke, cooking and heating appliances, and vapors from building materials, paints, furniture, etc. cause pollution inside buildings. air pollution can affect our health in many ways with both short-term and long-term effects. so we shouldn’t stay in the room for a long time. we need to go outdoors to breathe fresh air and do some exercises.
s2: one major environmental problem is black carbon pollution.. black carbon pollution is the release of tiny particles into the air from burning fuel for energy. now it constitutes a serious and widespread problem, not only to human health, but also to the entire global environment. we must find a new and less-polluted energy to replace coal.