Ñòóäîïåäèÿ
rus | ua | other

Home Random lecture






Language work. Words often confused.


Date: 2015-10-07; view: 520.


Speaking

Exercise 83. Give definitions for the following terms.

Magnetic field Solenoid Magnetic force Permanent Magnet

 

Exercise 84. Work in groups of three or four. Discuss the questions below about the nature of a magnetic field. Present your ideas to other groups.

1. Describe the two types of electron motion that produce the magnetic field in a bar magnet.

2. Of the two types of electron motion you descrbed above, which one is more important in terms of material's overall magnetic field?

3. Explain why certain substances such as iron are magnetic but most substances are not.

Bring – take Bring (v) – to move something towards somebody/ something else e.g. Bring me those files, please! Take(v) – move something away from somebody e.g. Will you take the rubbish out when you leave, please? On time – in time On time –neither late nor early, at the correct time e.g. I always make sure I get to work on time. In time –not late e.g. I hope I'll get to the airport in time to watch the plane land. At the beginning – in the beginning – at the end – in the end At the beginning – at the place or time at which something starts e.g. There is a contents page at the beginning of the book. In the beginning –initially. This suggests further change. e.g. He thought German was hard in the beginning, but now he finds it easy. At the end –at the furthest or last part of something e.g. At the end of the day I like to relax in front of the TV. In the end –at last, finally, when everything is taken into consideration e.g. I was going to take the bus home, but in the end I got a taxi.

Exercise 85. Fill in: a) bring or take in the correct form.

1. Please … this box outside to the garden. 2. … me a chair from the kitchen, please. 3. He … the children to play in the park yesterday evening. 4. Will you … me the dished from the dining room, please?

b) on time or in time.

1. Bill is always late. He's never … for work. 2. I woke up just … to see the sunrise this morning. 3. We're having guests tonight so make sure you're home … to welcome them. 4. If we hurry, we'll get to the station … to catch the train.

c) at the beginning, in the beginning, at the end or in the end.

1. She didn't feel very confident … of her career, but she has changed a lot since then. 2. … the work was interesting, but now I find it boring. 3. It was a difficult situation, but … everything worked out nicely. 4. There is a revision chapter …of the book. 5. She didn't know anyone … but then she made lots of friends. 6. … of the week, the weather was awful, but then it improved. 7. The big supermarket is … of the street. 8. The story has a tragic beginning, but fortunately everything turns out well … .


<== previous lecture | next lecture ==>
Electric Field vs Magnetic Field | Grammar. Gerund.
lektsiopedia.org - 2013 ãîä. | Page generation: 2.506 s.