III. Complete the sentence with the correct form of the word in brackets. radio batteries and in are to produce

1. Food is a _____necessity____of life. (need)

2. I asked for a ____reduction_____as the dress was damaged. (reduce)

3. There are a lot of technological ______innovations_____ designed to save energy. (innovate) .

4. We find advertising on television very_____effective_____ (effect)

5. I switched the light off to save _____electricity_____(electric)

6. Energy_____conservation_____includes searching for alternative fuels. (conserve)

7. Energy-saving bulbs help ______consumers______save money. (consume)

8. She needed only one more stamp to complete her____collection_____(collect)

9.______Environmentally_____ friendly energy sources include water and wind power. (environment)

10. People who exercise______regularly_____ are less likely to feel stress (regular)

1 effective

2 electricity

3 conservation

4 consumer

5 collection

6 Environmentally

7 appliances

8 effeciency

9 consumption

10 effectively

1.effective

2.electricity

3.conservation

4.consuming

5.collection

6.environmental

7.application

8.effcience

9.consuming

10.is effective

1 disastrously

2 preparing 

3 consumption

4 conservation

1. disastrously

2. preparation

3. consumption

4. conservation

1/ Uncle Ho's Mausoleum is an .....impressive.........building (impress)

2/ What a .....friendly.............football match ! We enjoyed it very much (friend)

3/ We are really .......impressed............by the beauty of Ha Long Bay (impress)

4/ When Bob arrived, he was impressed by the ........friendliness............of the local people (friend)

1/ Uncle Ho's Mausoleum is an ......impressive.......building (impress)

3/ We are really .........impressive..........by the beauty of Ha Long Bay (impress)

4/ When Bob arrived, he was impressed by the ..........friendliness..........of the local people (friend)

Energy is the (1) ___capacity _____ to do work and is required for life processes. An energy (2) ___resource _____ is something that can produce (3) ___heat____, power life, move objects, or produce electricity. Matter that stores energy is (4) ___called ____ a fuel. Human energy (5) ___consumption ____ has grown steadily throughout human history. Early humans had modest energy requirements, mostly food and (6) ___fuel ___ for fires to cook and keep warm. In today's society, humans consume as (7) ___much___ as 110 times as much energy per person as early humans. Most of the energy we use today come from (8) ____fossil ____ fuels. However, they have a disadvantage in that they are (9) ___ non-renewable ______ on a human time scale, and cause other potentially harmful effects on the environment. In any event, the exploitation of all energy sources, ultimately rely (10) __on ____ materials on planet Earth

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