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The search for alternative resources of energy (result) 1. ...has led .. in various directions. Many communities (burn) 2. .are burning .. garbage and other biological waste products to produce electricity. Changing waste products into gases or oil is also an efficient way to dispose of waste. Experimental work (do) 3 .....is being done .... to make synthetic fuels from coal, or coal tars. But to date, that process (prove) 4. ...has proven .... expensive. Other experiments are underway to harness power with giant windmills. Geothermal power, heat from the earth, (also/ test) 5. ..is also being tested .... . Some experts are trying to revive hydroelectric power which (derive) 6. ...derived .... from streams and rivers. Fifty years ago, hydroelectric power (provide) 7. .provided .... one third of the electricity used in the United States, but today it (supply) 8. ...supplies ... only four per cent. The oceans are another source of energy. Scientists (study) 9. ..are studying .... ways to change the energy of ocean currents, tides, and waves into electricity. Experiments are also underway to make use of temperature differences in ocean water to produce energy.
1activities 1 Make nouns and adjectives from the following verbs:
| V | N | Adjective |
| 1 analyse | .analysis | .analytic |
| 2 attach | .attachment | .attached |
| 3 connect | .connection | .connecting/connective |
| 4 emphasise | .emphasis | .emphasized |
| 5 interact | .interaction | .interactive |
| 6 require | .requirement | .required |
| 7 stress | .stress | .stressful |
| 8 vary | .variety | .various |
or do like that noun-verd -adjective
5 Complete the sentences with words from completed exercise 4 above
1 After half-term, the ...............requirement.....of the course will 1 change to exam preparation.
2 Moving home is supposed to be one of the most ......stressful.........life events.
3 It's important to eat a....various........ diet rather than one particular group of foods.
4 Price is decided through the.....................interaction ....... .....of supply and demand.
5 They made a detailed ......analysis..............of the data before drawing any conclusions.
6 I sent the photograph by email as a(n).........attachment............
Fill in the blank:
| 1 | Object used for fighting, e.g. a gun (6 letters) | weapon (vũ khí) |
| 2 | Move forward (7 letters) | advance(tiến lên) |
| 3 | Person who is not a member of an armed force (8 letters) | civilian (thường dân) |
| 4 | Person who fights against their government (9 letters) | insurgent (phiến quân) |
| 5 | Countries that support each other in war (6 letters) | allies (đồng minh) |
| 6 | The breaking of a law or an agreement (9 letters) | violation (vi phạm) |
| 7 | The opposite of 'release' (7 letters) | capture (giam cầm, bắt giữ) |
| 8 | Groups of soldiers (6 letters) troops (bộ đội, lính) |
213. They live in a house ______ roof could collapse at any time.
|
A. that |
B. its |
C. of which |
D. whose |
214. After a three hour search, the missing _____was found alive at a friend’s house.
|
A. ten-year |
B. ten-year’s old |
C. ten-year-old |
D. ten-years-old |
215.I hope you are going to give me a good ............. for doing what you did.
|
A. purpose |
B. reason |
C. effect |
D. cause |
216. Shakespeare made a unique contribution……………..the world of literature.
|
A. on |
B. on to |
C. in to |
D. to |
217. Hardly ..................... at school when it started to rain.
|
A. did we arrive |
B. we arrived |
C. we had arrived |
D.had we arrived |
218. It is high time we.....................something to protect rare animals from extinction.
|
A. did |
B. do |
C. will do |
D.are doing |
219. When the boy was told that he had failed the exam, he was extremely .....................
|
A. disappointing |
B. disappointedly |
C. disappoin ted |
D. disappointment |