II. Circle the best answer to complete each sentence

  1. We should reduce the use of _________ at home.

      A. electric                         B. electricity                           C. electrical                             D. electrify

  2. Waves will be used as an ___________ sources of energy.

      A. environmentally-friendly                                            B. environmental friend

      C. environment-friendly                                                  D. friendly environment

  3. What will happen if we ________ of non-renewable energy resources?

      A. exhaust                         B. run up                                 C. run out                                D. use up

  4. I hope scientists will come up with a __________ to the shortage of energy on Earth.

      A. cause                             B. result                                  C. way                                     D. solution

  5. Geothermal energy can be found in only some places of the earth. It comes from depth ______ the earth

      A. under                            B. inside                                  C. indoor                                 D. in

  6. Most energy nowadays comes from fossil fuels such as oil, coal, and natural gas. _________, burning fossil fuels causes pollution.

       A. Although                      B. But                                      C. However                             D. Despite

  7. We should place                on our roof for the heating and hot water.

       A. solar energy                B. equipment                         C. cracks                                 D. solar panels

  8. Nuclear power is not only expensive _________ dangerous to our environment.

      A. and                                B. but                                      C. but also                               D. enough

  9. At this time next week, people                another hydro plant in Dak Lak province.

      A. will be building             B. are building                        C. will building                       D. will build

  10. In the middle of the 21^st century, people in _________ countries will be using more renewable energy.

      A. developed                     B. developing                         C. underdeveloping               D. underdevelop

  11. I think that solar energy can be an ____________ source of energy in the near future worldwide.

      A. changeable                   B. non-renewable                  C. alternative                          D. new

  12. Sunlight is __________ into electricity by each solar cell in the panels.

       A. changed                       B. exchanged                          C. switched                             D. turned

  13. Energy sources are classified into two groups - renewable and nonrenewable.

       A. categorized                  B. catalogued                         C. identified                            D. regarded

  14. What ________if  carbon dioxide levels continue to increase?

       A. happens                         B. will happen                        C. will be happening              D. happen

  15. Carbon footprint is the __________ of carbon dioxide we produce with any action or activity.

 A. number                       B. quality                                C. amount                               D. level

1. We liked the (perform)............................of that young pianist

2. Christmas is a popular (festival)............................in many countries and people (celebration)............................. it in different ways.

3. What I like about festivals is that they show the (culture)............................... values of different communities.

4. (I).................books are here on the table. Where are (you)......................?

5. We should reduce the use of (electric)......................... at home.

1, solar energy is renewablem...............................................and clean( plenty)  (chia thi)

2, we should reduce the use of...............................................at home( electric)

chuyển câu chủ động sang câu bị động:

1, are there police making inquires about the thief?

=>...............................................................................

2, must we finish the test before ten?

=>..................................................................

13, will buses bring the children home?

=>...................................................................

14, have you finished your homework?

=>...................................................................................

15, how many games has the team played?

=>.....................................................................

ai lam nhanh mk tick 3 cai

II. Give the correct form of the words given to complete the sentences:

1. Solar energy is renewable, ...............................and clean.                                     PLENTY

2. We should reduce the use of..............................at home.                                       ELECTRIC

3. Waves will be used as an...............................friendly sources of energy.              ENVIRONMENT

4. Solar power can be used to .................................or cool our houses.                    HOT

5. There will be a..................................of energy in the near future.                         SHORT

6. Scientists are looking for clean and ..........................sources of energy.               EFFECT

7. More renewable energy sources will be used to solve the problem of ..........        POLLUTE

8. ................................., fossil fuels are harmful to the environment.                        FORTUNATE

9. The...........................of wind turbines will be completed by next Friday.              INSTALL

10. ...........................particles reach the Earth in just 8 minutes.                                ENERGY

Use suggestions to write full sentences: to + V -để ( diễn ra mục đích)

1. The energy / from / sun / cheap and clean

2. It / important / save / natural resources

3. It / necessary / teach children / the energy saving

4. What / people / do / reduce / their household bills / future /

They / use / low energy lights bulbs / home.

5. Energy - saving appliances / should / be used / save electricity

6. We / reduce / our use of electricity / save our energy.

7 . We / should collect / plastic bags / paper / for / recycle

8. We / have / put / diferent kinds / waste / different places

9. Many farmers / use / bio gas / for / cook / at / home