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Nylon was invented in the early 1930s by an American chemist, Julian Hill. Other scientists worked with his invention and finally on 27 October 1938, nylon was introduced to the world. It was cheap and strong and immediately became successful, especially in the making of ladies’ stockings.
During the Second World War, the best present for many women was a pair of nylon stockings, but more importantly, it was used to make parachutes and tyres. Today, nylon is found in many things: carpets, ropes, seat belts, furniture, computers, and even spare parts of human body. It has played an important part in our lives for over 50 years. Next year, about 36 million tons of it will be manufactured.
1. Nylon can be found in .......
a. many things b. spare parts of the human body
c. furniture d. all are correct
2. what does the word 'introduced' in line 3 mean?
a. tell somebody your name. b. tell somebody the name of a person
c. bring in sth new d. bring sth somewhere
3. Nylon.....
a. was invented by Julian Hill b. was strong but expensive
c. was not very popular d. all are correct
4. which of the following is NOT true
a. Nylon was used to make ladies' stocking
b. Today, Nylon still plays an important part in our lives
c. At first, people didn't want to use Nylon
d. We can found Nylon in computers
BN KIÊN NHẪN NHỈ ???
Read the text about Alexander Graham Bell and do the tasks:
Alexander Graham Bell is widely known as inventor of the first telephone. He was born on March 3rd, 1847 in Edinburgh, Scotland. When he was 23, Bell emigrated to Canada with his parents and the next year moved th the United States to teach deaf-mute children. With his colleague Thomas Watson, Bell worked very hard on the experimentation to invent devices such as the harmonic telegraph ( used to send multiple messages over a single wire) and phonautograph ( used to draw the shape of the sound waves). The first telephone communication was said to have happened between Bell and Watson in 1876 while Bell was at one end of the line, and Watson worked on the telephone in other room. The first transmitted words were, " Mr Watson, come here. I want to see you"
a. Decide if the statements are T or F
1. Alexander Graham Bell is Scottish /T/
2. He spent all his life in Canada /F/
3. He worked with the deaf when he moved to the USA /T/
4. He wanted to create a device that can transmit human voice /T/
5. He was able to succeed right from the first experiment /F/
6. He worked on his inventions all by himself /F/
b. Answer the questions
1. What is Bell 's "harmonic telegraph"?
It's used to send multiple messages over a single wire
2. What is Bell 's "phonautograph"?
It's used to draw shape of the sound waves
3. When did the first communication over happened and how did it happen?
.... ( mk chịu )
Underline the most suitable verb form in each sentence.
1. I suddenly remembered that I forgot/ had forgotten my keys.
2. While Diana watched/ was watching her favorite television program, there was a power cut.
3. Who drove/ was driving the car at the time of the accident?
4. By the time Tim got back, Mary had gone/ went home.
5. David had eaten/ate Japanese food before, so he knew what to order.
6. I did/ was doing some shopping yesterday when I saw your friend.
7. What exactly were you doing/ did you do when I came to your office yesterday?
8. James missed the party because no one was telling/ had told her about it.
Underline the most suitable verb form in each sentence.
1. I suddenly remembered that I forgot/ had forgotten my keys.
2. While Diana watched/ was watching her favorite television program, there was a power cut.
3. Who drove/ was driving the car at the time of the accident?
4. By the time Tim got back, Mary had gone/ went home.
5. David had eaten/ate Japanese food before, so he knew what to order.
6. I did/ was doing some shopping yesterday when I saw your friend.
7. What exactly were you doing/ did you do when I came to your office yesterday?
8. James missed the party because no one was telling/ had told her about it.
Fashion, music, technology and crazes were popular in the eighties.
In those days, Vietnamese people used to wear loose shirts and flared trousers.
It was the decade when Vietnamese pop music that praised a new life developed.
At that time, black-and-white television started to become popular.
During this decade, the crazes for fun things like tug of war or bamboo jacks were big trends for teenagers.