Виберіть правильний варіант. 1. In fiber optics technology, such materials as ___ are used to transmit light.

1. In fiber optics technology, such materials as ___ are used to transmit light.

a) wood b) plastic c) metal

2. Optical fibers can carry light over the distances of ___.

a) 1,000 km b) 100 km c) 10,000 km

3. The thickness of a single fiber is ___.

a) that of a match b) less than that of a human hair c) 3 inches

4. The commercial application of fiber optic began in ___.

a) 1950s b) 1980s c) the 21^st century

18.4. Граматика. Порівняльні конструкції as ... as, not so ... as, the ... the та інші

The more, the better. – Чим більше, тим краще.

It is as cold today as it was yesterday. – Сьогодні так само холодно, як вчора.

G Запам’ятайте!

It is not so cold today as it was yesterday. – Сьогодні не так холодно, як учора.

He did more than she did. – Він зробив більше, ніж вона.

Smile !

Did you hear about the man who went to see the optician because he saw spots in front of his eyes?

The optician gave him glasses, and now he can see the spots much better.

Вправа 2. Використайте конструкції as ... as або so ... as.

1. Mike is ___ tall ___ Pete. 2. Kate is not ___ nice ___ Ann. 3. My room is ___ light ___ this one. 4. This book is not ___ thin ___ that one. 5. Sergei is ___ old ___ Michael. 6. She is ___ young ___ Tom’s brother. 7. Nick’s English is not ___ good ___ his friend’s. 8. ___ far ___ I know, your sportsmen won not ___ many medals ___ ours. 10. His textbook is twice ___ thick ___ mine.