Choose the underlined word or phrase (marked A, B, C or D) in each sentence that needs correcting.

1. The exhaust exploitation of natural resources can result in the bad consequences for

                A                                                                    B                                C             D

the environment.

2. We can avoid to waste clean water by some effective ways such as turning off

                                  A                                                  B                                C

faucets carefully after using them.

                                           D

3. People can use wind or hydro power to convert from electricity.

                                 A           B                 C                 D

4. They will be opening a clean power factory this time last month.

                               A                  B                         C             D

5. She cancels her flight to Japan at 9 p.m. tomorrow, so she will be flying at that time.

               A                            B                                                            C                    D

6. Some prestigious scientists will invite to the meeting tomorrow to find some

                     A                                   B                                               C

solutions to the environmental problems.

                                         D

7. Air pollution will be increased anymore when people apply clean energy resources in

                               A          B             C                               D

many fields of life.

8. Within ten years, people will be used less fossil fuel and more renewable energy.

         A                                                        B                             C         D

9. Using solar energy instead fossil fuels can help reverse the effects of global warming.

                                         A                            B           C                                       D

10. Wind power is clean, abundant, widely available, and environmental friendly.

              A                              B            C                                       D

Many people still believe that natural resources will never be used up. Actually the world’s energy resources are limited. Nobody knows exactly how much fuel is left. However, we also should use them economically and try to find out alternative sources of power. According to Professor Marvin Burnham of the New England Institute of Technology, we have to start conserving coal, oil and gas before it is too late; and nuclear power is the only alternative.

          However, many people don’t approve of using nuclear power because it is very dangerous. What would happen if there were a serious nuclear accident? Radioactivity causes cancer and may badly affect the future generations. The most effective thing is that we should use natural resources as economically as possible.

Answer the questions:

1. Can natural resources be used up someday?

_____________________________________________________________

2. What should we do if we don’t want the natural resources to run out of?

_____________________________________________________________

3. Why don’t people prefer using nuclear power?

_____________________________________________________________

4. What does the radioactivity cause for young people?

_____________________________________________________________

5. What will you do to protect your environment?

_____________________________________________________________

Use the cues given to write correct sentences.

1. Almost all our energy/ come/ oil/ gas/ natural gas. We/ them/ fossil fuels.

__________________________________________________________________

2. The earth’s fossil fuels/ running out.

__________________________________________________________________

3. Scientists/ try/ find/ other alternative sources/ energy.

__________________________________________________________________

4. We/ use energy/ the sun, the wind, and the water.

__________________________________________________________________

5. The sun/ supply/ all the energy/ used/ grow plants/ evaporate water/ rain/ and/ maintain/ temperature/ planet.

__________________________________________________________________

6. If we/ able/ collect solar energy/ we/ be sure/ have enough power.

__________________________________________________________________

7. Energy/ wind/ use/ centuries/ move ships, grind grain, pump water/ and/ do other forms/ work.

_____________________________________________ __________________

8. Recently/ wind/ use / generate electricity.

_____________________________________________ __________________

9. For a long time/ people/ use water/ power machines.

__________________________________________________________________

10. Today/ water power/ mostly/ use/ generate electricity.

__________________________________________________________________

1.      Thu _____________ her teeth after meals .                                               ( brush )

2.      Look ! The girls ____________soccer in the stadium.                              ( play )

3.      My uncle can drive a taxi. He is a taxi _____________.                           ( drive )

4.      I don’t feel hungry. I don’t want anything _____________.                     ( eat )

5.      Show me your ____________ and count how many apples, please.         ( finger)

6.      How many ______________ does your baby have?                                  ( tooth )                      

Give the correct form of the word given to complete the sentences.

1. Tidal energy is renewable, _______________and clean. (plenty)

2. Wind will be used as an _______________friendly sources of energy. (environment)

3. There are many ways will be used to solve the problem of _____________. (pollute)

4. Solar power can be used to ______________or cool our houses. (hot)

5. __________________, fossil fuels are harmful to the environment. (fortunate)

6. We should use them______________ and try to find out alternative sources of power. (economy)

7. Solar energy is_________________, plentiful and clean. (renew)                           

8. I think that solar energy can be an________________ source of energy in the near future. (alter)

9. We should reduce the use of________________ at home. (electrical)  

10. It’s a clean source of energy. Sailboats couldn’t move without this____________. (powerful)

Nhanh nhất thì OK luôn

Hãy chọn for hoặc since trong những câu sau

1.    She has been there for/ since four days.

2.    I have known Linda for/since two years.

3.    Jack has stayed here for/since Thursday.

4.    My aunt has lived in Australia for/since 15 years.

5.    We have had a camera for/since 1995.

6.    They have been married for/since six months.

7.    Liz has studied medicine for/since threeyears.

8.    Mike has been ill for/since a long time.

9.    It hás rained for/since an hour.

10.Indian has been an ừidependent country for/since 1947.