Bài tập Tiếng Anh 8 Unit 11: Science and technology có đáp án

Với bài tập Tiếng Anh lớp 8 mới Unit 11: Science and technology có đáp án và lời giải chi tiết đầy đủ sẽ giúp học sinh ôn luyện để học tốt Tiếng Anh 8.

Bài tập Tiếng Anh 8 Unit 11: Science and technology có đáp án

I/Choose the word which has the underlined part pronounced differently from the others.

1.	A. ranked	B. gained	C. prepared	D. proved
2.	A. host	B. honor	C. hockey	D. horror
3.	A. badminton	B. swallow	C. challenge	D. ballet
4.	A. teammate	B. reading	C. creating	D. seaside
5.	A. athlete	B. author	C. length	D. southern
6.	A. touch	B. foul	C. account	D. mount
7.	A. lose	B. vote	C. control	D. social
8.	A. rear	B. bear	C. gear	D. year
9.	A. please	B. peace	C. seat	D. spread
10.	A. overlooks	B. beliefs	C. towards	D. rights

II/Choose the words that have the different stress from the others.

1.	A. chemist	B. browser	C. technique	D. programme
2.	A. aspect	B. advance	C. spaceship	D. progress (n)
3.	A. reality	B. unable	C. enormous	D. benefit
4.	A. explorer	B. physicist	C. scientist	D. telephone
5.	A. experiment	B. biologist	C. ordinary	D. development

III/Which word whose underlined part is pronounced differently from the others?

1.	A. wharf	B. place	C. volcano	D. plane
2.	A. fisherman	B. ticket	C. prisoner	D. over
3.	A. hotel	B. postcard	C. shore	D. cold
4.	A. included	B. called	C. phoned	D. arrived
5.	A. much	B. teacher	C. beach	D. brochure

IV/Choose the best answer A, B, C or D to complete the sentences.

1.   An astronaut has to wear a spacesuit                     it may be very cold in space.

A. so                                  

B. but                                

C. because                         

D. because of

2.   The UFO landed on a                    area.

A. grass                             

B. grassy                           

C. grassed                         

D. grassing

3.   Scientists have been trying to find                        of aliens.

A. amounts                       

B. records                         

C. traces                            

D. sights

4.   There have been many UFO                      reported.

A. sights                            

B. signs                             

C. signals                          

D. sightings

5.   Mars is called the Red Planet due to its                surface.

A. red                                

B. redder                           

C. reddest                          

D. reddish

6.   In the mid-19^th century, scientists discovered that Mars had some similarities          Earth.

A. to                                  

B. with                              

C. of                                  

D. from

7.   Neptune is bright blue                   it is named after the Roman God of the sea.

A. because                        

B. but                                

C. so                                  

D. or

8.   There is a lot of interest in doing experiments in the                    conditions.

A. weigh                           

B. weighing                      

C. weight                          

D. weightless

9.   Titan, one of Saturn’s                   , has a thick atmosphere.

A. satellite                        

B. spaceships                    

C. moons                           

D. comets

10. Scientists believe that Mars also               seasons just as the Earth does.

A. spends                          

B. experiences                  

C. experiments                 

D. takes

V/Put the verbs in brackets into the correct future tense.

1.   We (implant)                    chips in the brain to control devices by the year 2050.

2.   With commercial space travel, we (take)                                     minerals from the moon at this time in 2030.

3.   Universal translation (become)                             common in mobile devices.

4.   We (create)                                   a synthetic brain that functions like the real one in the year 2050.

5.   Japan (build)                                 a robotic moon base by 2020, built by robots, and for robots.

6.   China (connect)                             Beijing to London with a high-speed railway soon.

7.   Car-makers (design)                                  self-driving cars to offer extreme safety and ease of transport.

8. The US military officials say that navy ships (run)                        on 50 percent of biofuels by 2020.

9.   Your movies                     (help) you choose the best course for your aims and goals.

10. What                                 (I/ do) after the course?

VI/Use the correct form of the words given to complete the sentences.

1.   Robots save workers from performing                                          tasks. (danger)

2.   One disadvantage of robots is its high cost of the                                    . (produce)

3.   Robots are being used in both                               manufacturing and the                  field. (industry - medicine)

4.   There is no                                     reason why Japan will not be able to make progress in robotics. (technology)

5.   The key to YouTube’s success is the                                for anyone from anywhere in the world to broadcast themselves for free. (able)

6.   Due to the                                      in the science and technology, impossible things have become possible.

7.   Robots increase worker                                         by preventing accidents since humans are not performing                                          jobs. (safe - risk)

8.   As a                                               (science), Professor Tran Dai Nghia set an example as a true                                 (research) who devoted himself to the                (science) career.

9.   Hellen isn’t a great                                    of biotechnology. (admire)

10. Paul’s uncle has worked as a                                 for twelve years. (conservation)

VII/Read, then choose the best answer (A, B, c or D) to complete the gap.

The next generation of telephone users will probably laugh (1)                                 we explain how we used to stand next to a wall in the kitchen to (2)                              a phone call. Mobile communications, already highly advanced compared with a decade ago, will completely change communications in the next few years.

(3)                                there are millions of people using mobile phones, most people know (4)                      about the mobile telecommunications industry and its technology. There are three types of mobile phone. These are hand portables, pocket-sized hand portables and transportables. The smallest and most popular are the pocket-sized hand portables. These work on rechargeable batteries, which allow an (5)            of up to 80 minutes’ conversation. Mobiles that are fitted permanently in a vehicle do not (6)                     on separate batteries. They require an external aerial on the vehicle. This can mean a stronger signal with clearer (7)                  . Transportables have a high power capability and can be used (8)                               anywhere. They come with powerful battery packs for longer, continuous use and may also be put (9)        a vehicle, using its electrics. They ( 10)               to be bulkier than hand portables.

1.	A. unless	B. when	C. while	D. whether
2.	A. make	B. give	C. take	D. do
3.	A. In addition	B. Because	C. As a result	D. Although
4.	A. little	B. some	C. few	D. lots
5.	A. amount	B. account	C. activity	D. average
6.	A. rely	B. create	C. carry	D. insist
7.	A. wave	B. letter	C. speech	D. speed
8.	A. mostly	B. hardly	C. most	D. almost
9.	A. on with	B. into	C. up with	D. in to
10.	A. used	B. have	C. tend	D. are

VIII/Read the text below and choose the best answer for each question after the text.

SOME ANIMALS CAN PREDICT FUTURE EARTHQUAKES

A recent investigation by scientists at the U.S. Geological Survey shows that strange animal behavior might help predict future earthquakes. Investigators found such occurrences in a ten-kilometer radius of the epicenter of a fairly recent quake. Some birds screeched and flew about wildly: dogs yelped and ran around uncontrollably.

Scientists believe that animals can perceive these environmental changes as early as several days before the mishap.

In 1976, after observing animal behavior, the Chinese were able to predict a devastating quake. Although hundreds of thousands of people were killed, the government was able to evacuate millions of other people and thus keep the death toll at a lower level.

1.   What prediction may be made by observing animal behavior?

A. An impending earthquake

B. The number of people who will die

C. The ten-kilometer radius of the epicenter

D. Environmental changes

2.   Why can animals perceive these changes when humans cannot?

A. Animals are smarter than humans.

B. Animals have certain instincts that humans don’t possess.

C. By running around the house, they can feel the vibrations.

D. Humans don’t know where to look.

3.   Which of the following is NOT true?

A. Some animals may be able to sense an approaching earthquake

B. By observing animal behavior scientists perhaps can predict earthquakes.

C. The Chinese have successfully predicted an earthquake and saved many lives

D. All birds and dogs in a ten-kilometer radius of the epicenter went wild before the earthquake.

4.   In this passage the word “evacuate” most nearly means

A. remove                         

B. destroy                         

C. exile                             

D. emaciate

5.   If scientists can accurately predict earthquakes, there will be

A. fewer animals going crazy                               

B. a lower death rate

C. fewer people evacuated                                   

D. fewer environmental changes

IX/Choose the word or phrase among A, B, C or D that best fits the blank space in the following passage.

Computers are helpful (1)                         many ways. First, they are fast. They can  work with information even (2)                                   quickly than a person. Second, computers can work with a lot of information at the same time. Third, they can (3)              information for a long time. They do not forget things that the common people do. (4)             , computers are almost always correct. They are not perfect, but they usually do not (5)                     mistakes.

Recently, it is important (6)                             about computers. There are a number of things to learn. Some companies have (7)                               at work. In addition, most diversities (8)                           day and night courses in Computer Science. Another way to learn is from a book, or from a friend. After a few hours of practice, you can (9)                          with computers. You may not be an expert, but you can have (10)              .

1.	A. at	B. on	C. in	D. over
2.	A. more	B. rather	C. much	D. less
3.	A. hold	B. keep	C. stay	D. carry
4.	A. Moreover	B. However	C. Therefore	D. Nevertheless
5.	A. do	B. make	C. have	D. take
6.	A. know	B. knowing	C. to know	D. knew
7.	A. discussions	B. meetings	C. schools	D. classes
8.	A. send	B. spend	C. bring	D. offer
9.	A. work	B. make	C. use	D. take
10.	A. for fun	B. funny	C. enjoy	D. fun

X/Read the passage and use the words in the box to fill in the space.

which, smaller, ago, which, make, where, much, many, what, sold

The first worlds computer was built at University of Pennsylvania in 1946, although computer-like machines were built in the 19^th century. Computers were ........................... (1) commercially for the first time in the 1950s, and a lot of progress has been made then. Computers are now much.......................... (2) and more powerful.

Computers are used in ........................... (3) fields – in business, science, medicine, and education. They can be used to forecast the weather or to control robots ........................... (4) make cars. The computer’s memory is the place .......................... (5) information is kept and calculations are done. A computer cannot think for itself. It must be told exactly ....................... (6) to do. A lot of difficult calculations can be done very quickly on a computer. Computers don’t ........................... (7) mistakes. Stories are heard sometimes about computers paying people too........................... (8) money or sending them bills for things they didn’t buy. These mistakes are made by programmers. Some years ........................... (9), an American computer-controlled rocket went out of control and had to be destroyed. The accident was caused by a small mistake in one line of the program, ........................... (10) cost the USA 18 million dollars. Criminals have found that computer crimes are a lot easier than robbing banks. Hundreds of millions of dollars are stolen from business every year by people changing the information in computers.

XI/Put into the reported speech.

1.   Tom said: “I want to buy a pocket calculator for my father.”

………………………………………………………………….

2.   She said; “I once spent a summer in this village.”

………………………………………………………………….

3.   The nurse said: “The patient in this room didn’t obey your orders, doctor.”

………………………………………………………………….

4.   They said to me : “You taught us English last year.”

………………………………………………………………….

5.   Mr. Brown said : “Our trip cost us two thousand dollars.”

………………………………………………………………….

6.   He said to her : “ I can’t find my hat anywhere in this room.”

………………………………………………………………….

7.   My father said to them : “My secretary is going to finish this job.”

………………………………………………………………….

8.   They said : “We can’t meet you here either today or tomorrow.”

………………………………………………………………….

9.   My mother said : “I think it won’t rain tomorrow.”

………………………………………………………………….

10. He said: “Your car has been stolen, John.”                

………………………………………………………………….

11. They said : “The river is rising early this year.”

………………………………………………………………….

12. He said : “I’ll expect her to come soon.”

………………………………………………………………….

13. Our teacher said : “World War II broke out in 1939.”

…………………………………………………………………................... 

14. The students said : “We’ll be sitting for our next exam next Monday.”

………………………………………………………………….

15. He said : “I’m going to finish this work.”

………………………………………………………………….

ĐÁP ÁN

I/

1. A	2. B	3. B	4. C	5. D
6. A	7. A	8. B	9. D	10. C

II/

1. C

2. B

3. D

4. A

5. C

III/

1. A

2. B

3. C

4. A

5. D

IV/

1. C	2. B	3. C	4. D	5. D
6. A	7. C	8. D	9. C	10. B

V/

1. will have implanted                        

2. will be taking                                  

3. will become

4. will create                                       

5. will have built                                 

6. will connect

7. will design                                      

8. will have run                                   

9. will help

10. am I going to do

VI/

1. dangerous                                       

2. production                                      

3. industrial/ medical

4. technological                                  

5. ability                                             

6. development

7. safety/ risky                                    

8. scientist/ researcher/ scientific

9. admirer                                           

10. conservationist

VII/

1. B	2. A	3. D	4. A	5. D
6. A	7. C	8. D	9. B	10. C

VIII/

1. A

2. B

3. D

4. A

5. B

IX/

1. C	2. A	3. B	4. A	5. B
6. C	7. D	8. D	9. A	10. D

X/

1. sold 

2. smaller                    

3. many                       

4. which                      

5. where

6. what

7. make                       

8. much

9. ago  

10. which

XI/

1. Tom said that he wanted to buy a pocket calculator for his father.

2. She said that she had once spent a summer in that village.

3. The nurse told doctor that the patient in that room hadn’t obeyed his orders.

4. They told me that I had taught them English the previous year.

5. Mr. Brown said that their trip had cost them two thousand dollars.

6. He told her that she couldn’t find his hat anywhere in that room.

7. My father told them that his secretary was going to finish that job.

8. They said that they couldn’t meet her there either that day or the next day.

9. My mother said that she thought it wouldn’t rain the following day.

10. He told John that his car had been stolen.

11. They said that the river was rising early that year.

12. He said that he would expect her to come soon.

13. Our teacher said that World War II had broken out in 1939.

14. The students said that they would be sitting for their next exam the next Monday.

15. He said that he was going to finish that work.

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