2015-10-14
364
Give a brief retelling of the text and express your viewpoint on the problems raised by the writer.
CLASSROOM ACTIVITIES (8)
| WORD BUILDING |
45. a) Complete the sentences with the derivatives of the words given in the right-hand column:
Sour times
| The sea is becoming more (1) ____________. That is not good news if you live in it. At the moment, the world’s oceans absorb a million tonnes of carbon dioxide an hour. (2) __________ that is only a third of the rate at which (3) ___________ dumps the stuff into the atmosphere by burning fossil fuels, but it helps to slow down (4) __________ warming. However, what is a blessing for the atmosphere turns out to be a curse for the oceans. When carbon dioxide (5) ___________ in water it forms carbonic acid. At the moment, sea water is (6) ______________ alkaline (щелочной) – but it is becoming less so all the time. Many sea species have shells or skeletons made of calcium carbonate, just like chalk. If you drop chalk into acid it fizzes away to nothing. Marine (7) ___________ worry that some species will soon be unable to make their (8) ______________ homes. Dr. Andrew Knoll, of Harvard University, drew a (9) _____________ that the species most at risk are corals. (10)______________ suggest that if today’s trends continue, the alkalinity of the ocean is likely to fall (11) _____________ in the near future. That may make some places, such as the Southern Ocean, (12) ________________________ for corals. (13) ______________ evidence suggests that the (14) ______________ of corals may (15) _________________ effect the marine food web. | acid admit human globe solve nature biology protect conclude calculate consider inhabit experiment extinct drama |
| (After The Economist, February 2008.) |
b) Answer the questions.
| GRAMMAR EXERCISES |
| Might (just) as well | |
| suggestion unpleasant comparison с таким же успехом, вполне, почему бы не | You might as well call Mike’s office tomorrow. There’s nobody in there now. – Вы с таким же успехом можете (вы вполне могли бы) позвонить на работу Майку завтра. Там сейчас никого нет. |
