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kill v.杀死
less adj.较小的
hopeless adj.无望的
If everyone starts to do something, the world will be saved.
1. The factory is causing a lot of _______ .
2. There should be some _______ to stop
pollution.
3.The second photo is a centre.
4. We can _______ waste products, such as
_______ in a recycling centre.
pollution
recycle
rules
glass
Listen and complete the sentences.
recycling
Listen and answer the questions:
1.What is the great enemy in the future?———.
A. Environment B. Pollution C. Population
2. If the rivers are polluted, farmers _________.
A. will be dead B. will be ill C. can't use the water for their crops
3. Because there are so many cars on the roads, they use so much ____ and cause _______.
A. water, air pollution B. energy, noise pollution C. oil, air pollution
4.The world will be _____ if everyone start to do something.
A. helpful B. hopeful C, hopeless
B
C
C
B
Read the conversation and complete the notes.