Giải bài tập Tiếng Anh 8, unit 16: Inventions.

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Giải bài tập Tiếng Anh 8, unit 16: Inventions.
I. Match each word or phrase in column A to its definition in column B.
 
A B
1. wood pulp (n)
2. conveyor belt (n)
3. prisoner (n)
4. mold (n)
5. to defrost (v)
6. official (n)
7. manufacturing process (n)
8. to liquefy (v)
a. an empty container with a particular shape.
b. the process of making things in large quantities.
c. to make something become a liquid.
d. a continuous moving belt used for transporting products in a factory.
e. someone who is kept in prison as punishment for a crime.
f. a substance made from very small pieces of crushed wood, used for making paper.
g. to make something no longer frozen.
h. a person who hold a public office.
 
1. ; 2. ; 3. ; 4. ; 5. ; 6. ; 7. : 8. 
 
II. Complete the sentences with the passive form of the verbs from the box.
Make, grind, store,  remove, touch, drain, use, invent, bring, award 
 
1. Coffee beans ……….. usually ……………into powder.
2. Look! Your bureau…………….. to another site.
3. Wine ……………………from grapes.
4. The computer ……………….. since 1946.
5. This is the storehouse where the cocoa beans ………..
6. All the oil …………….. from the engine by the mechanic half an hour ago.
7. Children, that button cannot …………..! It’s very dangerous.
8. The zipper ………..by W.L Judson  in 1893.
9. Marie Curie …………. A Nobel Prize in Chemistry in1911.
10. Maize …………..into Viet Nam by Phung Khac Hoan in the 16th centrury.
 
III. Fill in the blanks with the suitable words.
 
Ex: A printer is a machine for printing text onto paper.
1. “Could you help me vacuum the stairs, Harry?” “Sure. Where’s the ………?”
2. Last night I was sleeping when the ………. rang. There was a strange voice on line - wrong number!.
3. She reheated the soup in the ……………….
4. A …………. is an electrical device for toasting slices of bread.
5. “You should dry your hair before going to bed.” “I know, but my ……..  has broken down.”
6. “May I help with the washing-up?” “No, thanks. I have just bought a ……….”
7. I rang the ………… at the door, but there was no answer. Maybe there was nobody at home.
8. Hoa enjoys sewing. She had her mother teach her how to use a…………..
 
IV. Change the sentences into passive voice.
 
1. Alexander Bain invented the facsimile in 1843.
…………………………………………………………………….
2. They dry the beans in the sun.
…………………………………………………………………….
3. People can make payment at any post office.
…………………………………………………………………….
4. How do people learn English?
…………………………………………………………………….
5. They are going to build a new super market next year.
…………………………………………………………………….
6. Where did you take these photograghs?
…………………………………………………………………….
7. The foreman is showing the students around the factory.
…………………………………………………………………….
10. They were cleaning the room when I arrived.
…………………………………………………………………….
11. We haven’t finished our homework yet.
…………………………………………………………………….
12. People say the computer is one of the most important inventions.
…………………………………………………………………….
 
V. Active or passive? Put the verbs into the correct form.
 
1.  There is somebody walking behind us. I think we ………….(follow).
2.  Every time I print a document, the printer………..   (break) down.
3.  Apples …………..(say) to be good for our health.
4.  Hoa ……….(bear) in Hue but she (grow) up in Ha Noi.
5. “Is Thanh’s house still for sale?” “No, it ………….(sell) since last month.”
6. The application form should ………….(send) today so that it …….(arrive) the next day.
7. How cakes …………(make)?  you  …………(ever/make) cakes?
8. I  ………..(see) an accident last night. Somebody  ………(call) an ambulance but nobody …………(injure) so the ambulance…….. (not/ need).
9. “Who (invent) the microphone?” “It ………………(invent) by D.E. Hughes in 1878.”
10. The printer  ………..(break) down yesterday, but now it’s OK. It ……(work) again; it . ………..(repair).
 
VI. Put the sentences below in the correct order to produce the instruction to make “Jade Palace Fried Rice”. Use the sequence markers: first, second, next, then, after that, finally to complete the instruction.
 
…….. Enjoy your fried rice!
……..  Pour in a little soy sauce and stir again.
……  Fry the chopped vegetables in the wok or big frying pan.
….1… Put the rice in a pot with two cups of water. Boil until the water is gone.
……… Add the egg and mix well.
……….Wash and chop the cabbage, carrot, green onions, and bean sprouts.
………Add the rice and stir. Fry together a few minutes.
 
JADE PALACE FRIED RICE: 
 
a cup of rice, one carrot, two cups of water, a few green onions
some cabbage, some bean sprouts, a little soy sauce, one egg
 
…………………………………………………………………………….
…………………………………………………………………………….
…………………………………………………………………………….
…………………………………………………………………………….
…………………………………………………………………………….
 
VII. Underline the correct preposition.
 
1. A Chinese official made paper of / in/ from / on wood pulp in 105.
2. The first papermaking machine was invented at I in! on I from the late 1700s from/ of / by / to a Frenchman.
3. The factory foreman is showing them round / to / in/ into the factory.
4. “What is this button in/ beside/ like / for?” “ It’s used to operate the machine.”
5. “Who(m) was the helicopter invented for /of / from / by?” “Igor Sikorsky”
6. Don’t go away. Come and stand besides / inside / beside / next me.
7. Cocoa butter is added, along to / of / with / in sugar, vanilla and milk.
8. Pour a little milk in/ from/ out / into my cup of coffee, please.

VIII. Read the passage, and then write true (T) or false (F)for the following sentences.
 
Scientists define a robot as a machine body which is operated by a computer, working independently on human and capable of doing different jobs. Robots are invented to make our work easier, by moving materials, tools and other objects through programmed actions.
 
Most robots look like giant arms, having the movement of the human arm and hand. The robots are linked to a computer that controls them. A scientist can make the robots useful for a variety of tasks. Robots are designed to move in different ways. They can turn, pick up objects and put them down. To do all these, the robots can move from side, up and down, forwards and back.
 
- define: định nghĩa
- programmed action: hành động đã được lập trình
 
1. Robots are actually people.
2. Robots cannot work when there is nobody to look after.
3. Robots help people to work.
4. Robots are controlled by computers.
5. Robots can be made to be useful for every task.
6. Robots can do many of the things humans do.
 
TEST FOR UNIT 16
 
I. Choose the word that has the underlined part pronounced differently from that of the others.   
 
1. a. show             b. follow               c. how                  d. throw
2. a. factory             b. liquify           c. pretty                 d. candy
3. a. sugar            b. crush                c. button               d. husk
4. a. pour             b. touch                c. bought              d. thought
5. a. cooked                   b. washed             c. faxed                 d. weighed
 
II. Choose the word or phrase that best completes the sentence.
 
1. I………. a film that interested me so much as the one I last night.
 
a. never watched/ watched       b. have never watched/ watched
c. watched/ have watched .      d. never have watched/ watched
 
2. The first papermaking machine ……… in the late 1700s by a Frenchman.
 
a. invented                     b. was inventing
c. was invented              d. has been invented
 
3. Mr. Roberts supervises and directs other workers in the factory. He’s a(n) ……
 
a. engineer            b. manager           c. mechanic                    d. foreman
 
4. I’d like to borrow this book. Has Anna read it ……… ?
 
a. recently             b. yet .                  c. already              d. just
 
5. ……….. helping me with the washing?
 
a. Would you mind                  b. Would you like
c. Could you                            d. Would you please
 
6. Our solar system is in the galaxy……….. the Milky Way.
 
a. calling     b. called                c. call                    d. is called
 
7. He wants to return to the village ……….. he was born.
 
a. which      b. when               c. where                d. what
 
8. Tim said he ……………… a chocolate factory then.
 
a. visited     b. are visiting       c. has visited        d. was visiting
 
9. Mr. Roberts warned the children …………. that button.
 
a. not touch                    b. not to touch      c. to not touch      d. not touching
 
10.  People learned how ……….. paper many centuries ago.
 
a. was made         b. is making          c. to make   d. making
 
III. Fill in each blank with an appropriate word.
 
Nowadays, a lot of important inventions are carried (1)…….. by scientists (2)….. for large industrial firms. However, there are still opportunities (3)…… other people to invent various things. In Britain, there is a weekly TV (4)….. which attempts to show all the devices which people have (5)……. recently. The people organizing the program receive information about 700 inventions (6)…….  year. New ideas can be developed (7)……  private inventors. However, it is important to
consider these (8)…… Will it work? Will it be wanted? Is it new?
 
IV. Choose the word or phrase that needs correcting.
 
1. A Chinese made paper to wood pulp in the year 105.
     A                B             C                 D
 
2. Would you mind if I ask you a question?
                      A     B      C      D
 
3. The house hasn’t been repaired since it built.
      A                         B                  C         D
 
4. Hoa had Tim to translate the instructions into Vietnamese.
             A                  B       C                     D
 
5. They met her while they crossed the street.
                A            B                  C         D
 
6. The dynamo invented by Faraday when he was 40.
      A                     B                        C            D
 
7. The foreman warned the children not touch that button.
       A                    B                      C     D
 
8. I haven’t seen her since we have left school.
         A                         B            C           D
 
 
9. The first important book which was printing by Gutenberg was published in 1456.
              A                          B       C                                             D

  
10. The procedure is almost the same with it was 100 years ago.
                                      A                   B        C             D
 
V. Write questions for the underlined words.
 
1. Penicillin was discovered by Sir Alexander Fleming.
…………………………………………………………………………….
 
2. The first postage stamps were made in 1840.
…………………………………………………………………………….
 
3. A new road will be built across the International Park next month.
…………………………………………………………………………….
 
4. The fruit harvest is fermented for three to nine days.
…………………………………………………………………………….
 
5. Paper is made from wood pulp.
…………………………………………………………………………….
 
6. The Pasteur Institute was founded in Paris in 1888.
…………………………………………………………………………….
 
7. Sandra has just been sent a lot of information about the meeting.
…………………………………………………………………………….
 
8. She was taken to the hospital by an ambulance.
…………………………………………………………………………….
 
VI. Use the correct form of the word in brackets.
 
1.  The computer is one of the most ……… of the 20th century. (invent)
2.  There’s some chocolate beside the ………………belt. (convey)
3. Then the  ………. is ground, rolled and poured into molds. (mix)
4. This wood pulp is also cleaned and ……… whitened. (chemistry)
5.  Their latest car has just gone into ……………… (produce)
6. This company is one of the leading computer ………… (manufacture)
7.  Gordon Gould is an American …….. who invented laser. (invent)
8. Water is the clear and colorless ………….. (liquify)
 
VII. Read the passage carefully, then choose the correct answers.
 
THE ZIPPER
 
The zipper is a wonderful invention. How did people ever live without zippers? Zippers are very common, so we forget that they are wonderful. They are very strong, but they open and close very easily. They come in many colors and sizes.
 
Whitcomb L. Judson invented the zipper in 1893. He was an engineer in Chicago. He called the zipper a slide fastener. However, it didn’t stay closed very well. This was embarrassing, and people didn’t buy many of them. Then Dr. Gideon Sundback from Sweden solved this problem. Dr. Sundback put the hooks on the strips of cloth. The cloth holds all the hooks in place. They don’t come apart very easily. This solved the problem of the first zipper.
 
zipper: phecmơtuya, khóa kéo            hook: cái móc
 
1. Zippers open and close by ……………
 
a. shooting b. bending   c. sliding     d. choosing
 
2. Mr. Judson was an …………..
 
a. engineer b. inventor c. American                    d. a, b and c
 
3. Mr. Judson didn’t sell many zippers because …………..
 
a. it was hard to open and close them                  b. people liked rows of button
c. they came open very easily                     d. they had cloth strips
 
4. Dr. Sundback ……………….. .
 
a. a Swede            b. from Chicago             c. an American               d. b and c
 
5. A zipper has two ………….. of cloth.
 
a. rows        b. fasteners                    c. strips                d. buttons
 
6. Dr. Sundback . …………..
 
a. invented the zipper                        b. made the zipper better
c. invented the button hook              d. invented the slide fastener
 
VIII. Complete the second sentence so that it has the same meaning to the first.
 
1. Is it all right if I take some photographs?
Would you mind ……………………………………………..
 
2. Nobody has used this room for years.
This room …………………………………………………….
 
3. It is  two months since I saw her.
I haven’t ………………………………………………………
 
4. Tax free goods can be bought before you get on the plane.
You …………………………………………………………….
 
5. The repairman is going to repair my car next week.
We are going to have …………………………………………..
 
6. “We like this place”, the tourists said.
The tourists said …………………………………………………
 
7. It was such an interesting film that we watched it several times.
The film ……………………………………………………………
 
8. ‘ Where are you going next weekend?’,  An said to Hanh.
An asked ……………………………………………………………
ANSWER KEY
I. 1.f   2. d    3. e    4. a    5. g    6. h    7. b    8. C
 
II. 1. are ... ground         4. has been used             7. be touched
2. is being removed        5. are stored                             8. was invented
3. is made                       6. was drained                9. was awarded
10. was brought
 
III.    1. vacuum cleaner          3. microwave        5. hairdryer                    7. bell
2. telephone                    4. toaster             6. dishwasher       8. sewing machine
 
IV. 1. The facsimile was invented by Alexander Bain in 1843.
2. The beans are dried in the sun.
3. Payment can be made at any post office.
4. How is English learned?
5. A new supermarket is going to be built next year.
6. Where were these photographs taken?
7. The students are being showed around the factory by the foreman.
8. The instructions will be translated into French.
9. Has the meeting been postponed by the council?
10. The room was being cleaned when I arrived.
11. Our homework hasn’t been finished yet.
12. The computer is said to be one of the most important inventions
 
V. 1. are being followed                    6. be sent - will arrive
2. breaks                                    7. are ... made - Have ... ever made
3. are said                                 8. saw - called - was injured - wasn’t needed
4. was born - grew                   9. invented - was invented
5. has been sold                        10. broke - is working - has been repaired
 
VI. First, put the rice in a pot with two cups of water. Boil until the water is gone. Next, wash and chop the cabbage, carrot, green onions, and bean sprouts. Then
fry the chopped vegetables in the wok or big frying pan, and then add the rice and stir. Fry together a few minutes. After that add the egg and mix well. Finally pour in a little soy sauce and stir again. Enjoy your fried rice!
 
VII. 1. from          3. round      5. by            7. with
2. in - by               4. for 6. beside               8. Into
 
VIII. 1. F    2. F   3.T    4. T   5. F             6. T
 
TEST FOR UNIT 16
 
I. 1. c  2. b 3. a    4. b    5. d
 
II. 1.b   2. c    3. d   4. b   5. a  6. b  7. c   8. d   9. b   10. c
 
III.  1. out   3. for           5. invented.          7. by
2. working 4. program 6. a/ per      8. Questions
 
IV. 1. C (from)     2. C (asked)                              3. D (was built)
4. B (translate)     5. C (were crossing)       6. B (was invented)
7. D (to touch)      8. C (left)                        9. C (was printed)          10. B (as)
 
V. 1. Who(m) was Penicillin discovered by?
2. When were the first postage stamps made?
3. What will be built across the International Park next month?
4. How long is the fruit harvest fermented?
5. What is paper made from?
6. Where was the Pasteur Institute founded in 1888?
7. How much information has Sandra just been sent about the meeting?
8. How was she taken to the hospital? .
 
VI . 1. inventions           2. conveyor                    3. mixture   4. chemically
5. production       6. manufacturers 7. inventor 8. Liquid
 
VII. 1. c      2. d    3. c    4. a . 5. c    6.b
 
VIII. 1. Would you mind if I took some photographs?
2. This room hasn’t been used for years.
3. I haven’t seen her for two months. •.
4. You can buy tax free goods before you get on the plane.
5. We are going to have the repairman repair my car next week.
6. The tourists said they liked that place.
7. The film was so interesting that we watched it several times.
8. An asked Hanh where he was going the following weekend.

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