BÀI 1 .REWRITE THESE SENTENCES BY USING CONDITIONAL SENTENCE TYPE 1 (câu điều kiện loại 1)

1.Stay here and you will feel save .

If ....................................................

2.Pay electricity bill today or your electricity will be cut off .

If..............................................................................................

3.Stop smoking other wise your cough may be worse.

If.................................................................................

4.Unless we use less fossil fuel , they will be run out soon .

If...........................................................................................

5.Unless it stops raining today , we may be faced with a serious flood .

If.............................................................................................................

6.Do morning exercises regularly and your body will be fitter.

If..................................................................................................

7.Unless we renewable energy , we will have notthing for the future generation.

If.............................................................................................................................

8.The climate will change unless we reduce the use of non - renewable energy

If............................................................................................................................

9.Lock all the doors and noone can break into your house.

If.........................................................................................

10.Unless we continue hunting polar bears , they will become extinct in near future.

If.............................................................................................................................

Complete the following passage by choosing the best option, A, B, C or D.

   Energy is very important in our modern life. People use energy (5)__________ transportation, cooking, heating and cooling rooms, manufacturing, lighting, and entertainment. (6) __________ energy nowadays comes from fossil fuels – petroleum, coal, and natural gas. (7) __________, burning fossil fuels causes pollution. Also, if we don’t find new kinds of energy, we will (8) __________ all the fossil fuels in the near future.

Question 7:

A Because

B. Moreover

C. Therefore

D. However

Complete the following passage by choosing the best option, A, B, C or D.

   Energy is very important in our modern life. People use energy (5)__________ transportation, cooking, heating and cooling rooms, manufacturing, lighting, and entertainment. (6) __________ energy nowadays comes from fossil fuels – petroleum, coal, and natural gas. (7) __________, burning fossil fuels causes pollution. Also, if we don’t find new kinds of energy, we will (8) __________ all the fossil fuels in the near future.

Question 6:

A. Most

B. Mostly

C. almost

D. Utmost

Complete the following passage by choosing the best option, A, B, C or D.

   Energy is very important in our modern life. People use energy (5)__________ transportation, cooking, heating and cooling rooms, manufacturing, lighting, and entertainment. (6) __________ energy nowadays comes from fossil fuels – petroleum, coal, and natural gas. (7) __________, burning fossil fuels causes pollution. Also, if we don’t find new kinds of energy, we will (8) __________ all the fossil fuels in the near future.

Question 8:

A. use up

B. run on 

C. take over

D. cut off

Complete the following passage by choosing the best option, A, B, C or D.

   Energy is very important in our modern life. People use energy (5)__________ transportation, cooking, heating and cooling rooms, manufacturing, lighting, and entertainment. (6) __________ energy nowadays comes from fossil fuels – petroleum, coal, and natural gas. (7) __________, burning fossil fuels causes pollution. Also, if we don’t find new kinds of energy, we will (8) __________ all the fossil fuels in the near future.

Question 5:

A. in

B. for

C. at

D. by

XI. Make sentences using the provided keywords.

Solar energy/ can/ use/ heat/ water/ homes

________________________________________________________________

2. within 20 years/ fossil fuels/ will/ replace/renewable sources.

____________________________________________________________________

3. this time next moth/ we/ will/ use/ solar power/ heating/ water

____________________________________________________________________

4. fossil fuels/ limted/ and/ they / harmful/ the environment.

____________________________________________________________________

5. Climate change/ cause/ the burning/ oil and coal/ in order/ produce energy

____________________________________________________________________

6. Last year/we/ fit/ solar panels/ our house/ provide/solar electricity.

____________________________________________________________________

7. Every day/ we/rely/ energy/ provide/ us/ electricity, hot water, and fuel.

____________________________________________________________________

8. electric cars/ more/ popular/ petrol cars/ the next 15 years?

____________________________________________________________________

Read the passage below and an answer the question .we can develop alternative sources of energy,and unless we'll never succeed.instead of burning fossil fuels we should be concentrating on more economic uses of electricity because electricity can be produced from any source of energy. If we didn't waste so much energy,our resources would last longer. We can save more energy by conservativation than we can produce for the same money. Unless we do research on solar energy wind power tidal power hydroelectric plants.... Our fossil fuels will run out and we'll all freeze starve to dealth . Many countries are spending much more time and money on research because the energy from the sun the waves and the winds last forever.we really won't survive unless we start working on cleaner safer scour of energy . 1 can electricity be produced from any sources of energy?2 what would happen if we didn't waste so much energy?3 why are many countries spending much more time and money doing research on energy from the sun the waves and the wind?4 what will happen unless we start working on cleanr and safer sources of energy

Put the following words in the correct order to make meaningful sentences.

1. people/there/less/pollution/if/recycle/be/air/more/will//.

......................................................................................................

2. solar energy/save/fossil fuels/resources/instead/we/of/natural/by/can/using//.

.....................................................................................................................................

3. should/amount/your/uses/the/you/of/family/reduce/electricity//.

...............................................................................................................

4. brush/the dishes/off/you/or/wash/turn/when/your/the tap/teeth//.

....................................................................................................................

5. recycle/material/save/students/they/if/energy/will/and/recycled/use//.

.................................................................................................................