九年级上册（2014年7月第1版）《Section D》精品PPT课件下载-湛江市优质课

We should reduce the things which people can use only once.

Reuse.

We should reuse plastic bags.

We should collect waste paper or soft drink cans, and sort them so that they can be recycled.

Can you answer them?

Throw the rubbish here and there.

Don’t spit in a public place.

Draw a beautiful picture on the public walls.

Don’t throw things away if they can be reused.

Go to school by bike instead of by bus.

Collect the rubbish and try to sort it.

Pour dirty water into rivers directly.

Turn off the lights when you go out.

Which one is right?

Grammar

Compound Sentence

Recycling can protect the environment, _______ it can save money, too.

Some things we have done are good for the earth _________ some are bad.

We should do everything to protect it, ________ we’ll be punished and lose our home.

…people produce power from coal, _______ it is very dirty and causes acid rain .

and

while

or

but

( ) 1. Help others whenever you can _____ you’ll make the world

a nicer place to live in.

A. or B. and C. but D. while

( )2. Cross the road carefully, ________ you’ll keep yourself safe .

A. so B. or C. but D. and

( ) 3. Hurry up, ________ you’ll be late for the concert .