Exercise 5.Choose the correct words to complete the text, a, b, c or d

The Microchip

If we 1 … have microchips, we 2… have calculators, computers or laptops. These tiny chips are also called `integrated circuits` and they store huge amounts of 3 … .

The American Jack Kilby is considered the 4… of the microchip. He won the Nobel Prize for5… in the year 2000 but actually created the first microchip as early as 1958.

The structures on microchips have become smaller and smaller. They are now the size of atoms.There almost a billion transistors on each square centimeter. If this technology didn`t 6…, we wouldn`t be 7… to use everydayobjects like mobile phones and microwave ovens.

1.a)wouldn`t b) hasn`t c) don`t d) didn`t

2. a)don`t b) wouldn`t c)won`t d)would

3. a) informations b) inform c) information d) informs

4. a)inventor b) inventive c) invention d) inventing

5. a)Physicist b) Physical c) Physics d) Physically

6. a)exists b) existing c) existed d) exist

7. a) can b) able c)could d)would

Контрольнаяработа №5(вариант 3)

Exercise 1 . Put each verb given into the past simple or the present perfect

1 A: Why are the police here?

B: There (is) ______________________ an accident.

2 A: Why did the metro stop running yesterday evening?

B: There (is) ______________________ an accident.

3 A: How are the unemployment figures this year?

B: They (rise) ______________________ by 2%.

4 A: Are you still working at the shop?

B: No, I (leave) ______________________

Exercise 2.Underline the correct word in each sentence.

0 I’ve lived heresince/for 2002.

1. The team have just/since won their first match

2. I visited my friends 5 days since/ago.

3. Bob’s played volleyball for/since ten years.

4. She’s late. She hasn’t arrived already/yet.

Exercise 3. Use the Perfect Tense

1.He (to be) never to Italy.

2.The concert (to be over) by20.30.

3.The firm (to sale) two hundred cars this month.

4.The rain (to begin) before we arrived home.

Exercise 4.Use the Passive Voice

0. They produce cheese on farms.

Cheese is produced on farms.

1. The secretary will send a fax tomorrow.

2. They discuss the most important problems at the meetings.

3. The students will pass their exams in a week.

4. Dan buy chocolate for his girlfriend every day.

Exercise 5.Choose the correct words to complete the text, a, b, c or d

The Microchip

If we 1 … have microchips, we 2… have calculators, computers or laptops. These tiny chips are also called `integrated circuits` and they store huge amounts of 3 … .

The American Jack Kilby is considered the 4… of the microchip. He won the Nobel Prize for5… in the year 2000 but actually created the first microchip as early as 1958.

The structures on microchips have become smaller and smaller. They are now the size of atoms.There almost a billion transistors on each square centimeter. If this technology didn`t 6…, we wouldn`t be 7… to use everydayobjects like mobile phones and microwave ovens.

1.a)wouldn`t b) hasn`t c) don`t d) didn`t

2. a)don`t b) wouldn`t c)won`t d)would

3. a) informations b) inform c) information d) informs

4. a)inventor b) inventive c) invention d) inventing

5. a)Physicist b) Physical c) Physics d) Physically

6. a)exists b) existing c) existed d) exist

7. a) can b) able c)could d)would