Unit 10 - Revision

Language

1 All these sentences are conditionals. Write the verb in brackets in the correct form.

1    I ____________ (see) you later if you decide to come.

2    She ______________ (buy) it if she had the money.

3    They __________________ (not/go) if they’d have known it was going to be so long.

4    If there hadn’t been those early risk-takers, this company _____________ (not/be) here now.

5    Will they invest if the price ____________ (come) down?

6    Would people use solar power if government’s ________________ (encourage) them financially?

7    I wonder if they _______________ (cut) carbon emissions if they could see the current
situation.

8    If we ______________ (not/be) so reliant on oil now, we wouldn’t have to pay such high prices
for it.

9    More wind power would be used if it ________ (b) more efficient.


Vocabulary

1 Complete each sentence with one word from A and one from B.

A: renewable / energy / oil / global / fossil / solar / nuclear

B: fuels / energies / warming / plants / fields / consumption / power

 1   Some of the largest ____________ _____________ are in the Middle East but the world can’t rely
on them forever.

 2   They are planning to build three more ____________ _____________ but the local people are
likely to protest.

 3   We know that ____________ _____________ is a reality because the polar ice-caps are melting.

 4   ____________ _____________ such as wind, hydro-electric and nuclear are the only solution as I
see it.

 5   Using the ____________ _____________ of the sun is a straight forward option in many
countries.

 6   If we continue using up ____________ _____________ such as coal, gas and petroleum at this
speed we won’t have any left in fifty years time.

 7   Asking households to cut their ____________ _____________ is one way to help but large
industry is the real target.

2 Delete the word that cannot take the underlined prefix.

1    im partial, patient, profitable

2    in valid, plausible, significant

3    ir responsible, regular, renewable

4    non correct, negotiable, existent

5    un sustainable, economical, relative

6    il lawful, legal, literate

7    dis satisfied, loyal, reasonable