Vocabulary A Complete the sentences with the correct word.

• undertake • outweigh • release • fluctuate • integrate • eliminate • utilise • generate • detect • store

1 Wind power is good, but to run our business we need a reliable energy source that doesn’t …………..……… .

2 If we can store enough energy, we can …………..……… the need to stay connected to the power grid.

3 The environmental costs of using fossil fuels …………..……… the benefits.

4 It’s important that we …………..……… STEM learning into our school curriculum.

5 You can store energy in chemical batteries and …………..……… it when you want to use it.

6 Nowadays, there is a variety of ways to …………..……… electricity, from solar and wind power to wave power.

7 You will sound more knowledgeable if you …………..……… more statistics in your presentation.

8 Advances in STEM technology have allowed doctors to …………..……… and treat genetic disorders.

9 We're required to …………..……… some field work as part of the course.

10 Flow batteries will allow us to …………..……… plenty of energy for later use.

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bropomogi

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1.He is reading a book now.

2. She was typing a letter yesterday from 4.00 till 5.00

3. Don't make any noise, he is sleeping.

4. Frank and Mary were working at home because it was Sunday.

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