7．It's very important that we all recycle．In nature.everything is used again．For example.when an ani——青夏教育精英家教网——

7．It's very important that we all recycle．In nature，everything is used again．For example，when an animal dies，it becomes （86）another animal's food．Nothing is （87）wasted．But humans have created things like plastic bags which can't be broken down by nature．Our rubbish kills animals and （88）pollutes water and soil．If we （89）continue making too much rubbish，the problem will only get （90）worse．If nature can't reuse the rubbish，we must recycle （91）it．We should clean up the rubbish we've made because nature can't．
Recycling is （92）also the right thing to do for another reason．The Earth is （93）rich in natural materials like water and trees，（94）but these materials are not endless．We use up our natural materials much faster than the Earth is able to reproduce them．For example，each year we cut down more than 6，000square miles of forest．But it （95）takes about 25years for a new tree to grow．
Recycling can help us save the Earth，so let's take action right now．

6．Young people are the future masters of the country．Being a youth is one thing，and being a good one is（96）another．Everyone tries to be good，but not everybody has the right idea about it．Age will test youth，and youth will create age．Because we'll have heavy responsibilities（责任） upon our shoulders in future．We must educate （97）ourselvesto be good．What are the qualifications（素质） for a good young person？
A good youth should have these qualities．First of all，health，a healthy body is the best riches．（98）Withoutit，nothing can be done well．If you are poor in health，you'll have to take （99）medicineday after day．Even you can't work，do sports and so on．Secondly，one must be of good quality．Always do something for others．Help those in trouble and care about the people around you．If everyone did the same，what a （100）wonderful world this would be!Thirdly，one must have the ability to work with others．
Cooperation（合作）and communication are two important keys to better human relations．Everyone needs friends （101）because no one can live through his life alone or do everything he wants to．
Besides the examples above，patriotism（爱国主义）is the one we should never forget．Patriotism （102）meansa love of one's country．It is one of the （103）highestqualities of humans．Everyone should love his （104）owncountry．
I think a good youth of today should also have some training in art．If everyone can enjoy art and be able to make more of it for others，then people will live better and （105）enjoymore．

5．A．Sure，I'd love to．
B．No，I needn't．
C．I hope not．

4．A．I am sorry to hear that．
B．No，not at all．
C．Thank you．

3．A．Good job!
B．You are welcome．
C．Never mind．

2．A．Good idea!
B．Thanks very much．
C．Good luck!

1．A．Have a good time!
B．What a fine day!
C．Just a minute．

20．A．Good luck!
B．That's right．
C．It doesn't matter．

19．A．Hold on，please．
B．Not at all．
C．I think so．

18．A．Me，too!
B．Yes，I'd love to．
C．Nothing serious．

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