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Vocabulary and grammar review Unit 12

Vocabulary Grammar

1 Use the word given in capitals to form a word that 3 Complete this text with a/an, the or Ø (no article).

fits in the gap in each of these sentences.
For some years, (1) global warming, which
I don’t know why everyone’s being so
is the gradual heating of (2) Earth, was
towards me. I’ve done nothing wrong. FRIEND
Global warming is one of the world’s most serious (3) topic of heated debate in (4) scientifi c
community, but today the consensus among (5)
problems. ENVIRONMENT researchers is that (6) phenomenon is real
It can be diffi cult for people with certain
and is caused by (7) human activity, primarily
to fi nd a job. ABLE (8) burning of fossil fuels that pump (9)
She has an extensive of French
carbon dioxide and (10) other greenhouse
history. KNOW gases into (11) atmosphere. Scientists have
You can tell from his that he spends a lot found that the number and severity of (12)
of money on clothes. APPEAR extreme weather events, which include high or low
In this job you have to be original and to think temperatures and intense storms, are (13)
. CREATE effective measure of (14) climate change and
I hope my solicitor will be able to my global warming. Indeed it is now agreed that global
legal situation. CLEAR warming will have (15) far-reaching and, in
Yesterday there was a sudden downward many cases, devastating consequences for (16)
in share prices. MOVE planet.
2 Two of these sentences are correct, but the others
contain mistakes with prepositions. Correct the 4 Read the text below and think of the word that best

mistakes. fits each gap. Use only one word in each gap.
Over a hundred thousand people participated with What is biofuel?
yesterday’s marathon.
Whether we go skiing or not depends to the weather A biofuel is a hydrocarbon (0) that is made by or from
and the state of the snow. a living organism that humans can use (1) power
Do you have anything useful to contribute in our something. This defi nition of a biofuel is rather formal.
discussion? (2) practice, any hydrocarbon fuel that is produced
This morning’s lecture will focus on Picasso’s early from organic matter in a short period of time is considered
work. a biofuel. This contrasts (3) fossil fuels, which take
You needn’t fi ll in that section of the form – it doesn’t
millions of years to form, and with other types of fuel
apply for you.
If the CD doesn’t play properly, I’d take it back to the which are (4) based on hydrocarbons – nuclear
fi ssion, for instance.
shop and insist for a refund.
Can you turn the TV down? I can’t concentrate to what What makes biofuels tricky to understand is that they
you’re saying. (5) not be made by a living organism. Biofuels can
Do you believe in supernatural phenomena?
also be made through chemical reactions, carried (6)
in a laboratory or industrial setting that uses organic matter
to make fuel. (7) only real requirements for a biofuel
are that the starting material must be CO that was fi xed
2
by a living organism and the fi nal fuel product must be
produced quickly (8) than over millions of years.

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