Unit IV

I.

media rate satellite transport wireless access bandwidth core linkup handle standard button range analog data digital launch site

device demand consumer transceiver towards increase consider relay device

storage capacity availability trunk line telecommunications information fiber-optic cable application decompression bursts of light telephone call copper wire

V.

Accessible, medial, useful (useless), wireless, wonderful, digital, transportable, limitless, breakable, normal, formal.

Grammar Study

I 2. is watched

3.will be finished

4. has been elected

5. is being rebuilt

6. has been closed

7. are written

8. was stolen

9. will be met

10 was won

II.

1. Many pet dogs are lost every year.

2. The ill man was taken to hospital.

3. A new bridge is being built across the river.

4. 4All the food at the party was eaten.

5. Nothing will be decided before next Saturday.

6. The meeting is holding every Friday.

7. This book was written by Sam’s father.

III.

1. The casino has been closed.

2. The flat was broken into last week.

3. English is spoken all over the world.

4. The new swimming-pool has opened.

5. The purse was left in the classroom yesterday.

6. Traffic has been banned from the city center.

7. The match has been postponed.

IV.

1. cut

1. taken

2. sent

3. serviced

4. broken

5. offered

6. were you born

7. repaired

V.

1. Bob has his bike stolen.

2. This book was lent to me by John.

3. Yesterday I had one of my teeth taken out.

4. I was born in Cairo.

5. I was sold a rock concert ticket by a friend.

6. Tom had his house broken into last week.

7. When exactly were you born?

8. I was given this ring by my parents.

Unit V

I

1. natural, panel, solar, tunnel, motorway, power, during, battery, lighting, therefore, concentrate, area

2. pollute, consider, advantage, expensive, consumption, accumulate, remain, unlimited, mechanical, hydraulic, enough, supply

3. non-traditional, photoelectric, thermal chemical, civilization, population, photocopying, electrometallurgy, individual, sun-powered, geothermal, transformation

III.

Modal verbs: 1, 3, 5, 7, 12, 15

Reported speech: 4, 8, 13

Subjunctive Mood (+Conditionals): 2, 6, 9, 10, 11, 14

IV.

Prepositions: 3, 4, 5, 8, 12

Conjunctions: 1, 6, 10, 11, 13

Adverbs: 2, 7, 9

CONTENS