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Acquisition of Mastery / Part Three.doc
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Vocabulary

reverse – to change sth, go backward: reverse out/into a car/bus; reverse the charges – call collect; reversible; reverse (n): quite the reverse (=completely the opposite); go into reverse (=happen in the opposite way); reverse order/procedure/process: in reversed order; the reverse side – the back of sth; reverse discrimination; reversion to – a return to a former, usually bad, condition.

moderate – to make something less extreme or violent; moderate (adj): a moderate smoker/ moderate wage demands; moderate (n); moderately (adv); moderation: in moderation; moderation in – reduction in force, degree, speed.

dwarf – to be so big that other things are made to seem very small; dwarf (n); dwarf(adj): a dwarf plant/animal –much smaller than the usual size.

modify – to make small changes to something in order to improve it; modification (n).

balance – a steady state: lose/keep your balance; balance in/between/of; strike a balance – (= manage to balance the opposing forces); on balance/ off balance; the balance of evidence/probability; be/hang in the balance (not to know what the results, outcome will be); tip/swing the balance (influence the result of); balance (n); (hold) the balance of power.

shallow – a short distance from the bottom to the surface: shallow river/ waters; not interested or showing any understanding in important matters; shallowness (n)

release – let sb free; stop holding; make public; release sb from – to allow someone not to do sth; release (n): on(general) release – if a film is on general release it has recently become possible to see or buy it.

1. Scan the text as quickly as possible to find where these ideas are mentioned. Read the article and decide whether the statements are true or false.

1. Deep ocean currents transfer heat from the equator to the polar regions.

2. Global warming has already caused significant changes to ocean currents.

3. A large number of countries are participating in a wide-scale research program.

4. Ocean currents are essential factors in the planetary heat transfer system.

5. International research is aimed at a better understanding of climatic changes.

6. More data will be collected in this research initiative than ever before.

7. Research has shown that the topography of the seabed does not influence the direction of currents.

8. British scientists will monitor wind speeds in the polar regions.

2. There are a number of questions or unfinished sentences below. Choose the best answer from a, b, c or d.

1. Some scientists believe that global warming could

A. modify ocean currents.

B. change wind directions in the polar regions.

C. reduce the influence of currents.

D. increase wind speeds.

2. The first results have already confirmed

A. that heat is stocked at great depths.

B. that the last Ice Age ended about 10,000 years ago.

C. the complexity of ocean currents.

D. that Gulf Stream currents are situated in the surface layer of water.

3. Heat is transferred from the tropics to the poles

A. in the surface currents.

B. in the atmosphere.

C. in the deep currents.

D. along the seabed.

4. The atmosphere and the ocean

A. influence the climate independently.

B. interact and create a global climatic balance.

C. have no effect on the climate.

D. have only modified the climate since the last Ice Age.

5. Why is this research considered to be of great importance?

A. It will enable scientists of the future to prevent extreme climatic

changes.

B. It will help scientists predict climate changes.

C. It unites a large number of different countries.

D. It will help dissipate the climatologists' 'nightmare scenario'.

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