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

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 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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