1. A. gas B. danger c. change D. energy
2. A. future B. nature c. question D. pollution
3. A. solar B. fossil c. force D. power
4. A. reserve B. collect c. express D. reduce
5. A. scientist B . Source c. sugar D. solar
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1. I think I have a small carbon _________________.
A. amount B. dioxide C. footprint D. energy
2. A wind _________________ turns wind energy into electricity.
A. engine B. turbine C. machine D. fan
3. Solar energy is a clean and _________________ energy source.
A. unlimited B. dangerous C. non-renewable D. limited
4. fuels include oil, coal, and natural gas.
A. Ancient B. Cold C. Fossil D. Frozen
5. Solar power can be used to _________________ or cool our houses.
A. hotter B. heat C. hot D. heating
6. Coal is a _________________ source.
A. non-renewable B. plentiful C. clean D. unlimited
7. In the future, the wind and the sun will be used as the main _________________ energy sources.
A. environmental friendly B. environmentally friendly
C. environmental friend D. environment friendly
8. Those non-renewable sources are going to _________________ soon.
A. exhausted B. lack C. use up D. run out
9. _________________ is a new source of energy available for poor people.
A. Nuclear power B. Biogas . C. Gasoline D. Oil
10. Alternative energy sources are _________________, clean, safe, and cheap.
A. abundant B. exhausted C. limited D. expensive
\(@HMyT\)
I. PHONETICS
Choose the word whose underlined part is pronounced differently from the other three in each question.
1. A. nature B. change C. gravity D. Basic
2. A. cheap B. choose C. children D. chemistry
3. A. available B. safe C. biogas D. stay
Choose the word which has a different stress pattern from the other three in each question.
4. A. easily B. abundant C. dangerous D. energy
5. A. engineer B. expensive C. convenient D. enormous
1. A. looked B. watched C. carried D. stopped
2. A. study B. success C. surprise D. sugar
3. A. unite B. underline C. university D. uniform
4. A. danger B. angry C. language D. passage
5. A. character B. children C. teacher D. change
1. A. looked B. watched C. carried D. stopped
2. A. study B. success C. surprise D. sugar
3. A. unite B. underline C. university D. uniform
4. A. danger B. angry C. language D. passage
5. A. character B. children C. teacher D. change
1. A. looked B. watched C. carried D. stopped
2. A. study B. success C. surprise D. sugar
3. A. unite B. underline C. university D. uniform
4. A. danger B. angry C. language D. passage
5. A. character B. children C. teacher D. change
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