Unit 16: Inventions – Sách bài tập Tiếng Anh văn lớp 8

1. Active or passive? Write A in the brackets if the sentence is in the active voice and p if it is in the passive voice.

a) My sister was gi ven mark 10 for her mid-term history test. (____ )

b) He won the first prize in the English Speaking contest last month. (______ )

c) The man was beaten black and blue. (_____ )

d) She fell off her bike and hurt her leg terribly. ( ______ )

e) The burglar was caught red-handed. ( ______ )

f) The best student of each class received a  gift  from the principal. (_____ )

g) He was sick for a week. (_____ )

h) My father had a terrible toothache when he was a boy. (_____ )

 

2. Write the correct form of the verbs in brackets in each of the following sentences.

a) Blaise Pascal________ the adding machine in 1642. (invent)

b) The zipper________ by w. L. Judson in 1893. (invent)

c) Who ________ the DNA? (discover)

d) When _______ tuberculosis (TB)_____________ ? (discover)

e) Bread________ from flour and yeast. (make)

f) The sewing machine________ by a French named B. Thimonnier in 1830.

(invent)

g) The Englishman Michael Faraday________ the dynamo in 1831. (invent)

h) The first piston engine was _________ in 1690 by the French physicist and inventor Denis Papin. (develop)

i) The British bacteriologist Sir Alexander Fleming ___________ penicillin in (discover)

j) The first truly successful helicopter ___________ by the German engineer Heinrich Focke. (design)

 

3. Put the sentences below in the correct order to produce the instruction to cook spring-rolls or Use the sequence markers in the box to complete the instruction.

first

second

after this

then

next

finally

a) Add spices you like.

b) Cut the turnips, carrots, onions into short threads of 2 or 3 cm.

c) Deep-fry the rolls until they tum yellow brown.

d) Mince the pork.

e) Mix up everything in a pot.

f) Wrap the mixture in rice paper to make rolls double the size of a thumb.

 

4. Fill in each of the gaps in the passage below with one suitable word from the box.

combined	used	designed (2)
brought	succeeded	put
came	called	linked

The first modem general-purpose electronic Computer, ENIAC went into Service at the University of Pennsylvania.

The 30-ton machine, (1) ___________ by two American engineers, John W. Mauchly and J. Presper Eckert, Jr., was 5.5 meters high and 24 meters long, and it contained 17,468 vacuum tubes by (2) ___________ 800 kilometers of wiring.

The invention of the transistor in 1948 (3) ___________ about a revolution in Computer development and the breakthrough in Computer miniaturization (4) ___________ in 1958, when Jack Kilby, an American engineer, (5) __________ the first true integrated Circuit (IC). He (6)________ electronic components on a chip. Later, engineers (7)________ in putting more and more components on each Silicon chip. Today a microchip the size of a fingemail can contain as many as 10 million components. 

There was another revolution in microchip technology in 1971 when the American engineer Marcian E. Hoff (8)___________ the basic elements of a Computer on one tinỵ Silicon chip, which he (9)_________ a microprocessor.

In 1953 there were only about 100 computers in use in the entire world. Today more than 300 million computers are (10) ___________ in homes, businesses, government offices, and universities for almost every purpose.

 

5. Read the passage in Exercise 4 again and write true or false against these statements.

	T	F
a) ENIAC was the first Computer in the world.	_____	_____
b) ENIAC weighs 30 tons.	_____	_____
c) The first true integrated circuit was designed by an American engineer.	_____	_____
d) A microprocessor contains the basic elements of a Computer.	_____	_____
e) The United States had 100 computers in 1953.	_____	_____

     

6. Write, from the following sets of words and phrases, complete sentences which together describe the process of making ice-cream. You can make all the necessary (Changes and additions.

a) First/ basic ingredients/ be poured/ tank.

b) Then/ be mixed/ thorough.

c) Next/ mixture/ be cooled and piped/ freezing tank.

d) Then/ be beaten until smooth/ and nuts or fruits/ added. ‘

e) After this/ be packed/ containers.

f) Finally/ be kept/ refrigerated room until/ hard.

Now write about a process of making something you know.

 

7. Invented or was invented ? Use the correct form of the verb in brackets.

a) Hubert Booth __________ a compact and modem vacuum cleaner.

b) Bottle-making machinery __________ by Michael J. Owens.

c) The air conditioner __________ by Willis Carrier in 1902.

d) The crossword puzzle __________ by Arthur Wynne.

e) Clarence Birdseye __________ frozen food.

f) The Computer mouse______________ by Douglas Engelbart.

g) The first credit card________________ by Ralph Schneider.

h) Color photography by Auguste and Louis Lumiere.

i) Igor Sikorsky_______________ the first successful helicopter.

j) The ballpoint pen________________ by Ladislo Biro in 1938.

 

8. Read the list of the 20^th century inventions and put the following events in the correct order of time. One item (d) has been done for you.

______ a) The invention of the photocopier

______ b) Charles Strite’s invention

______ c) The invention of audio cassettes

___1__ d) George Claude’s invention of neon light

______ e) Microsoft’s invention

______ f) The invention of instant coffee

______ g) The invention of the laser printer

______ h) The invention of the video cassette recorder

______ i) The invention of the teabag

______ j) Percy Spencer’s invention

______ k) The invention of super glue

 

Đáp án

1. Active or passive? Write A in the brackets if the sentence is in the active voice and P if it is in the passive voice. (Trang 137 sách Bài tập Tiếng Anh 8)

a. My sister was given mark 10 for her mid-term history test. (P)

b. He won the first prize in the English-speaking contest last month. (A)

c. The man was beaten black and blue. (P)

d. She fell off her bike and hurt her leg terribly. (A)

e. The burglar was caught red-handed. (P)

f. The best student of each class received a gift from the principal. (A)

g. He was sick for a week. (A)

h. My father had a terrible toothache when he was a boy. (A)

2. Write the correct form of the verbs in brackets in each of the following sentences.(Trang 137 sách Bài tập Tiếng Anh 8)

a. Blaise Pascal was invented the adding machine in 1642.

b. The zipper was invented by W. L. Judson in 1893.

c. Who discovered the DNA?

d. When was tuberculosis (TB) discovered?

e. Bread is made from flour and yeast.

f. The sewing machine was invented by a French named B. Thimonnier in 1830.

g. The Englishman Michael Faraday invented the dynamo in 1831.

h. The first piston engine was developed in 1690 by the French Physicist and inventor Denis Papin.

i. The British bacteriologist Sir Alexander Fleming discovered penicillin in 1982.

j. The first truly successful helicopter was designed by the German engineer Heinrich Focke.

 

3. Put the sentences below in the correct order to produce the instruction to cook spring-rolls or Nem. Use the sequence markers in the box to complete the instruction. (Trang 138 sách Bài tập Tiếng Anh 8)

Thứ tự đúng: d – b – a – e – f – c

First, mince the pork.

Second, cut the turnips, carrots, onions into short threads of 2 or 3 cm.

Then, add spices you like.

Next, mix up everything in a pot.

After this, wrap the mixture in rice paper to make rolls double the size of a thumb.

Finally, deep-fry the rolls until they turn yellow brown.

 

4. Fill in each of the gaps in the passage below with one suitable word from the box.(Trang 138-139 sách Bài tập Tiếng Anh 8)

1. designed	2. linked	3. brought	4. came	5. designed
6. put	7. succeeded	8. combined	9. called	10. used

 

5. Read the passage in Exercise 4 again and write true or false against these statements. (Trang 139 sách Bài tập Tiếng Anh 8)

a. F

b. T

c. T

d. T

e. F

6. Write, from the following sets of words and phrases, complete sentences which together describe the process of making ice-cream. You can make all the necessary changes and additions. (Trang 139 sách Bài tập Tiếng Anh 8)

a. First, basic ingredients are poured into a tank.

b. Then they are mixed thoroughly.

c. Next, the mixture is cooled and piped in a freezing tank.

d. Then, it is beaten until it’s smooth and nuts or fruits are added.

e. After this, it is packed in containers.

f. Finally, the containers are kept in a refrigerated room until they are hard.

Now write about a process of making something you know.

Frog legs are popular in many countries. Here’s how to cook frog legs.

First, put some salt and pepper on the legs.

Next, brown the legs in hot butter.

Add some cooked onion slices to the legs when they are browned.

Cook the onions and legs a little longer.

Remove the legs and onions from the pan.

Then make a sauce by warming some vinegar in the butter that’s left over.

Then pour the sauce over the legs and onions.

Finally, put some parsley on top.

Taste them! They are delicious.

7. Invented or was invented? Use the correct form of the verb in brackets. (Trang 140 sách Bài tập Tiếng Anh 8)

a. invented 

b. was invented 

c. was invented 

d. was invented 

e. invented 

f. was invented

g. was invented

h. was invented

i. invented