E 11 CB Unit 11

English Exercises - Grade 11 Leâ Ngoïc Thaïch
UNIT 11: SOURCES OF ENERGY
A. PHONETICS
I. Circle the word whose underlined part is pronounced differently from that
of the other words.
1) A. heat B. nuclear C. feat D. clean
2) A. power B. slow C. snow D. show
3) A. plenty B. energy C. only D. hydropower
II. Circle the word that has stress pattern different from that of the other
words.
4) A. electric B. potential C. plentiful D. alternative
5) A. alternative B. geothermal C. environment D. expensively
6) A. potential B. exhausted C. pollution D. infinite
B. VOCABULARY AND GRAMMAR
* Circle the best answer for each sentence.
7) Non-renewable energy sources are running ____.
A. up B. on C. to D. out
8) In some countries people use wind or sea ____ as the environment friendly
energy sources.
A. waves B. water C. products D. weeds
9) People have used coal and oil to ____ electricity for along time.
A. generation B. generated C. generate D. generates
10) Coal and oil are non-renewable ____ sources.
A. engineer B. energy C. engineering D. energetic
11) People on earth are ____ need of more nuclear energy.
A. on B. at C. in D. for
12) ____ energy uses natural sources of energy such as the sun, wind, or water
for power and fuel, rather than oil, coal, or nuclear power.
A. Alternative B. Solar C. Hydropower D. Electricity
13) Oil, coal and natural gas are ____ fuels made from decayed material.
A. unleaded B. smokeless C. solid D. fossil

14) All fossil fuels are ____ resources that cannot be replaced after use.
A. unlimited B. renewable C. available D. non-renewable
15) We should develop such ____ sources of energy as solar energy and nuclear
energy.
A. tradition B. alternative C. revolutionary D. surprising
16) Increased consumption will lead to faster ____ of our natural resources.
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English Exercises - Grade 11 Leâ Ngoïc Thaïch
A. exhaust B. exhausting C. exhaustion D. exhaustive
17) ____ heat comes from deep inside the earth.
A. Geothermal B. Solar C. Nuclear D. Hydro
18) “Have you ever met the man ____ over there?” “No. Who is he?”
A. stands B. is standing C. standing D. who he is standing
19) The boy ____ the piano is my son.
A. who is playing B. that is playing C. playing D. All are correct
20) ____ by his parent, this boy was very sad.
A. Punished B. Punishing C. To be punished D. Be punished
21) We have apartment ____ the park.
A. overlooking B. overlooks C. to overlook D. overlooked
22) He was the last person ____ in this way.
A. to kill B. who killed C. being killed D. to be killed
23) Nellie Ross of Wyoming was the first woman _____ governor in the United
States.
A. who elected B. to be elected C. was elected D. her election as
24) ____ in large quantities in the Middle East, oil became known as black gold
because of the large profit it brought.
A. Discovering B. Discovered
C. Which was discovered D. That when discovered
25) She is the only in the discussion ____ to using nuclear power.
A. objects B. objected C. to object D. whom objects

26) Johnny was the last applicant ____ for a position in that energy station.
A. to interview B. interviewing
C. to be interviewed D. which is interviewed
27) The instructions ____ by Professor Johnson helped us know more about the
danger of energy pollution.
A. that explained B. explained C. explaining D. which explained
C. READING
* Circle the item among A, B, C or D that best answers the question about
the passage.
Energy is fundamental to human beings, especially to poor people – the one-
third of humanity that does not have modern energy supplies like electricity, with
which their life could be improve.
Many people who live in countryside have to gather fuel wood. This takes a
lot of time. Moreover, it causes indoor air pollution because of heavy smoke. For
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English Exercises - Grade 11 Leâ Ngoïc Thaïch
many people living in rural areas in developing countries of the world, biogas is
the large energy resources available and costs almost nothing. The main use of
biogas is for cooking and heating. As biogas is smoke-free, it helps solve the
problem of indoor air pollution. Moreover, plant waste and animal manure cost
almost nothing.
The tendency to use renewable energy sources is on the increase when non-
renewable ones are running out. In the near, people in the developing countries
may use wind or sea waves as the environment-friendly energy sources.
28) What is the role of energy to human beings?
A. unimportant B. unnecessary C. necessary D. fundamental
29) What do poor people in countryside do to have energy?
A. They look for coal B. They gather fuel wood
C. They look for oil D. They use gas cookers
30) How long does it take to gather fuel wood in the countryside?

A. Not much time B. A lot of time C. Very little time D. Half an hour a day
31) According to the passage, what energy sources do poor people often use for
fuel?
A. oil B. wood C. nuclear energy D. petrol
32) What is the main use of biogas?
A. It is used mainly for cooking and heating.
B. It is mainly used for lighting. C. It is mainly used for operating.
D. It is mainly used for producing in factories.
33) According to the passage, what is the most awful effect of using fuel wood?
A. It causes indoor air pollution. B. It may cause fire.
C. It damages their houses. D. It affects the local scenery.
34) Why, according to the passage, is biogas introduced to poor people?
A. Because it is easy to use B. Because it is not harmful
C. Because they like it
D. Because it is the largest energy resources available in the countryside and
cheap
35) What, according to the passage, are the main advantages of using biogas?
A. It is smoke-free. B. It costs almost nothing.
C. It is clean because it is smoke-free and costs almost nothing.
D. It is clean
36) The tendency to use renewable energy sources ____.
A. goes up B. goes down C. fluctuates D. levels
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English Exercises - Grade 11 Leâ Ngoïc Thaïch
37) What, according to the passage, may be used as the environment-friendly
energy sources/
A. Nuclear energy B. Coal C. Wind and sea energy D. Oil
D. WRITING:
* Circle the underlined part among A, B, C or D that needs correcting .
38) The man to speak to me is John’s brother.

A B C D
39) He is the second person be killed in that way.
A B C D
40) They work in a hospital sponsoring by the government.
A B C D
41) It an essay writing in 1779, Judith Sargeant Murray promoted the cause of
A B C women’s
education.
D
42) A dam is wall building across river to shop the river’s flow and collect the
A B C D
water.

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