Сборник дополнительных лексико-грамматических упражнений к учебному пособию

Lesson 5. The Age of Electronics. Part 2. Transistors

Task 1. Find the English equivalents to the following Russian phrases (in the text on pages 44-45):

1.строительные блоки

2.цифровая революция

3.если они вообще существовали бы

4.замыкать электрические цепи

5.они должны были нагреваться, прежде чем начать работать

6.они были ненадежные и громоздкие

7.ученые искали альтернативы вакуумным трубкам (электронным лампам)

8.объявили миру

9.они начинают и останавливают течение тока

10.это позволяет вам контролировать ток

11.было очевидно

12.вскоре после этого

13.методы для массового производства кремниевых транзисторов

14.делать огромное количество вычислений за короткое время

15.это то, что позволяет вашему компьютеру

16.выполнять невероятно сложные задачи

17.кусочек полупроводникового материала, наполненный транзисторами

Task 2. Match two columns to make phrases. Translate the phrases. Consult the text on pages 44 – 45:

1. digital	a. to vacuum tubes
2. technological	b. electrical circuits
3. alternatives	c. material
4. building	d. the movement of electrons
5. to complete	e. blocks
6. announced	f. circuits
7. to control	g. revolution
8. methods for	h. to the world
9. semiconductor	i. mass-producing transistors
10. integrated	j. wonders

Task 3.		Choose the correct variant:
1.	A letter to uncle Sam … a few hours ago.
	a. sent		b. is sent	c. was sent
2.	Grandpa … by his grandson.
	a. is often helped		b. is often helping	c. often is helped
3.	The car … last afternoon.
	a. be washed		b. is washed	c. was washed
4.	I … to school by car every day by my father.
	a. was driven		b. am driven	c. are driven

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5.	Homework … by the students yesterday.
	a. wasn’t done	b. wasn’t did	c. isn't done
6.	Chicken soup … on Sundays.
	a. are cooked	b. is cook	c. is cooked
7.	… the phone … by you when I called?
	a. Was … answered	c. Does	…
	b. Is … answered	answered
8.	Cartoons … by the kids every evening.
	a. is watched	b. is watch	c. are watched
9.	Baseball … in my school.
a.	aren’t practiced	b. isn’t practice	c. isn’t practiced
10.More and more trees … down every year.
	a. are cut	b. are cutted	c. were cut

Task 4. Match two columns to complete the table about transistors. (Consult the text on pages 44 – 45:

1.	Transistors are …				a. … that control the movement of electrons, and
					consequently, electricity.
2.	Before transistors …				b. … between two binary states – 0 and 1.
3.	Transistors are devices …				c.	… building blocks of the digital revolution.
4.	Transistors start and stop …				d. … make huge numbers of calculations in a
						short time.
5.	Silicon		transistors	helped	e. … what’s called an integrated circuit.
	computers …
6.	In	a	computer	chip,	f.	… the flow of current.
	transistors switch…
7.	Transistors are part of…				g. … engineers used vacuum tubes.

Task 5. In pairs: look at Alex’s to do list.

Student A: You are Alex.

Student B: You are Alex’s mother.

Ask and answer questions about the things he did yesterday; use Past Simple Passive:

Example: Were the dishes washed? - No, they weren't. \

wash the dishes  water the plants

do the homework

take out the rubbish

clean the room

repair the camera

do the shopping

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