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Read the following passage then choose the best answer for each blank It is from the remain of plants that lived millions of years ago?

II. Read the following passage then choose the best answer for each blank.

Coal is black solid fossil fuel. It is usually very (6)_______ . Coal is made of 65% - 95% carbon. It also has hydrocarbons and some other compounds in it. It is (7)_______ from the remain of plants that lived millions of years ago.

Coal can be burned for energy or (8)_______ . About two-third of coalmined today is burned in power station to make (9)_______ . Burning it is not as common as it used to be, (10)_______ it causes much pollution.

Natural gasis a mixture. It (11)_______ mainly of hydrocarbons. The main component is methane. Natural gas is often found in the ground (12)_______ with petroleum.

Most natural gas is burned (13)_______ to produce energy. It burns with a clean flame. It causes (14)_______ pollution.

The main use of natural gasis to produce electricity. It is also used as (15)_______ for cars, cooking gas and to make fertilizers.

6. A. soft B. hard C. difficult D. loosse

7. A. made B. formed C. done D. founded

8. A. heat B. hotter C. hottest D. hot

9. A. powder B. product C. electricity D. mass

10. A. but B. therefore C. because D. however

11. A. consists B. depends C. combines D. mixes

12. A. except B. toghether C. addition D. apart

13. A. actively B. honestly C. straightly D. directly

14. A. little B. few C. many D. a lot

15. A. light B. fuel C. fire D. food

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Trả lời (1)

  • II. Read the following passage then choose the best answer for each blank.

    Coal is black solid fossil fuel. It is usually very (6)_______ . Coal is made of 65% - 95% carbon. It also has hydrocarbons and some other compounds in it. It is (7)_______ from the remain of plants that lived millions of years ago.

    Coal can be burned for energy or (8)_______ . About two-third of coalmined today is burned in power station to make (9)_______ . Burning it is not as common as it used to be, (10)_______ it causes much pollution.

    Natural gasis a mixture. It (11)_______ mainly of hydrocarbons. The main component is methane. Natural gas is often found in the ground (12)_______ with petroleum.

    Most natural gas is burned (13)_______ to produce energy. It burns with a clean flame. It causes (14)_______ pollution.

    The main use of natural gasis to produce electricity. It is also used as (15)_______ for cars, cooking gas and to make fertilizers.

    6. A. soft B. hard C. difficult D. loosse

    7. A. made B. formed C. done D. founded

    8. A. heat B. hotter C. hottest D. hot

    9. A. powder B. product C. electricity D. mass

    10. A. but B. therefore C. because D. however

    11. A. consists B. depends C. combines D. mixes

    12. A. except B. toghether C. addition D. apart

    13. A. actively B. honestly C. straightly D. directly

    14. A. little B. few C. many D. a lot

    15. A. light B. fuel C. fire D. food

      bởi nguyen chung 16/10/2019
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