I. Read the passage and choose the best answer A, B, C or D to complete the passage.

The natural environment includes all natural resources that are necessary for life: the air, the oceans, the sun, andthe land. Because they are vital for life, these resources must be protected from pollution and conserved. Ecologists study their importance and how to (1).......... them carefully.

According to ecologists, resources are divided into two groups: (2).......... and non-renewable. When a resource is used, it takes some time to replaceit. If the resource can be replaced (3)........., it is called renewable. If it cannot be replaced quickly and easily, it is non-renewable. For example, grass for animals is a renewable resource. When cows eat the grass, the resource is used. If the soil is fertilized and (4).........., more grass will grow. Coal, however, is non-renewable because it takes millions of years to make coal. All fossil fuels are non-renewable resources.

1. A. use B. be used C. used D. using

2. non-renewable B. renewable C. limited D. plentiful

3. A. easy B. difficultly C. quickly D. for a long time

4. A. protect B. protected C. protecting D. to protect

III.Choose the best one (A, B, C or D) to complete the sentence or replace the underlined word.

      1.   Nuclear energy is ... , but it is dangerous.

            A. renewable        B. non-renewable    C. natural resource   D. fossil fuel

      2.   Fossil fuels are very common in our society but they ... the environment.

            A. waste                      B. pollute                    C. renew               D. provide

      3.   All the houses in our village will be ... by solar energy.

            A. frozen                     B. widened                 C. heated       D. heightened

      4.   Several governments try to ... the use of fossil fuels.

            A. waste                      B. save                        C. reduce         D. increase

      5.   At this time next week, we ... a wind turbine in our garden.

            A. will installed           B. will be installing     C. install               D. installed

      6.   Low energy light bulbs should be used to ... electricity.

            A. convert                   B. save                        C. spend                  D. buy

      7.   It is a good idea to use ... when travelling long distances.

            A. private cars             B. public transport      C. cars                     D. taxis

      8.   “Why is it called a ... source?” - “Because it can be replaced easily and quickly.”

            A. renewable               B. non-renewable        C. effective          D. specific

      9.   We must ... the amount of water our family use every day.

            A. lessen                      B. narrow                    C. lower               D. reduce

      10. Wave energy is a source of ... energy.

            A. environmental friendly                           B. environmentally friendliness

            C. environment friendly                                 D. environmentally friendly

      11. Alternative sources of energy ... developed in the near future.

            A. has been                 B. will be                    C. is                          D. was

      12. She ... cooking in the kitchen at 7 PM tomorrow.

            A. will                         B. is                             C. will be                    D. be

      13. Some new energy-saving bulbs ... in the dining room.

            A. will be put           B. will put be           C. will put        D. will be putting

      14. What should we do to ... electricity?

            A. take                        B. save                        C. cut                      D. waste

      15. The wind, the sun, and the wave are some types of ... sources of energy.

Choose the letter A, B, C or D to complete the sentences with given words

Science/ play/ important/ role/ our/ daily life.

A. Science plays an important role on our daily life.

B. Science plays an important role in our daily life.

C. Science plays the important role on our daily life.

D. Science plays the important role in our daily life.

Choose the letter A, B, C or D to complete the sentences with given words

Science/ play/ important/ role/ our/ daily life.

A. Science plays an important role on our daily life.

B. Science plays an important role in our daily life.

C. Science plays the important role on our daily life.

D. Science plays the important role in our daily life.

Mark the letter A, B, C or D to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions.

For eliminating pollution, one can switch to alternative and renewable energy sources like bio fuels instead of depending on non-renewable fossil fuels that only helps in polluting our planet.

A. change for the better

B. substitute for the unavailable

C. make no change at all

D. find a replacement for

Choose the letter A, B, C or D to complete the passage below

Sometimes people forget how we depend __________ (6) nature and environment surrounding us. We spend mindlessly __________ (7) resources given by nature and believe that they are unlimited. Over the last millennia the population on the planet grew immensely and our needs increase with every year. We achieved great breakthrough in industry __________ (8) other fields of production. But this growth resulted in poor environmental conditions. It seems that every achievement and advancement only __________ (9) damage to nature.

We __________ (10) natural resources thoughtlessly for many years. Once we exhausted one resource we started to use up another alternative. Have you ever thought what our life will be when coal and oil will come to the end? Plug-in hybrid vehicles are good solutions for the fuel crisis to come.

Question 8:

A. so

B. but

C. and

D. or

Choose the letter A, B, C or D to complete the passage below

Sometimes people forget how we depend __________ (6) nature and environment surrounding us. We spend mindlessly __________ (7) resources given by nature and believe that they are unlimited. Over the last millennia the population on the planet grew immensely and our needs increase with every year. We achieved great breakthrough in industry __________ (8) other fields of production. But this growth resulted in poor environmental conditions. It seems that every achievement and advancement only __________ (9) damage to nature.

We __________ (10) natural resources thoughtlessly for many years. Once we exhausted one resource we started to use up another alternative. Have you ever thought what our life will be when coal and oil will come to the end? Plug-in hybrid vehicles are good solutions for the fuel crisis to come.

Question 9:

A. make

B. have

C. get

D. do