Controlled Practice

Date: 2015-10-07; view: 545.

Summary

Presentation

In his talk, the engineer compared QUANTITY and AMOUNT:

QUANTITY

With conventional cable, you need many more ducts

With conventional cable, you can transmit far fewer telephone calls

AMOUNT

Optical fibres can carry much more information

Optical fibres take up much less space

With nouns you can count (QUANTITY) e.g. tables, cables, etc.

Strengthener Adjective Noun

Many more cables

Far fewer repeaters

With nouns you cannot count (AMOUNT) e.g. time, space, etc.

Strengthener Adjective Noun

Much more space

far less time

A. Classify the following nouns as either COUNTABLE (C) or UNCOUNTABLE (U)

1. telephone call 5. duct 9. crosstalk

2. repeater 6. money 10. space

3. information 7. security 11. capacity

4. data 8. interference 12. equipment

B. Complete these sentences

1. Optical fibres carry________ ________information than conventional cables.

2. ________ ________telephone calls can be transmitted using optical fibre.

3. ________ ________data can be transmitted using conventional cable.

4. You hear_________________crosstalk when using optical fibre.

5. There is________ ________interference on copper cables.

6. Optical fibres occupy_________________space.

7. You need_________________ducts or cable pipes with optical fibre.

8. Conventional cable has________ ________capacity than optical fibre.

9. Conventional cable will cost________ ________to produce in the future than

optical fibre.

10. You need________ ________equipment, such as repeaters, on a copper cable

line.