Bài tập Tiếng Anh Lớp 8 - Unit 11: Science and technology

 SCIENCE AND TECHNOLOGY (UNIT 11)
 A. NEW WORDS, STRUCTURES AND GRAMMAR
 I. New words
Science (n) /ˈsaɪəns/ Khoa Advise(v) /ədˈvaɪz/ Khuyờn 
Scientist (n) /ˈsaɪəntɪst/ học Advice (n) /ədˈvaɪs/ Lời 
Scientific (a) /ˌsaɪənˈtɪfɪk/ Nhà khuyờn
 khoa học
Technology (n) /tekˈnɒlədʒi/ Kĩ thuật, Chemistry (n) /ˈkemɪstri/ Húa học 
Technological (a) /ˌteknəˈlɒdʒɪkəl/ cụng Chemist (n) /ˈkemɪst/ Nhà húa
 nghệ học
Mean (v) /miːn/ Nghĩa là Design (v) (n) /dɪˈzaɪn/ Thiết kế 
Meaning (n) /ˈmiːnɪŋ/ í nghĩa Designer (n) /dɪˈzaɪnə(r)/ Nhà thiết 
Meaningful (a) /ˈmiːnɪŋfl/ Đầy ý kế
 nghĩa
Telecommunication /ˌtelikəˌmjuːnɪˈkeɪʃn/ Viễn Marine (a) /məˈriːn/ (thuộc) 
(n) thụng biển
Enormous (a) /ɪˈnɔːməs/ To lớn Environment (n) /ɪnˈvaɪrənmənt/ Mụi 
 Environmental /ɪnˌvaɪrənˈmentl/ trường
 (a)
Robot (n) /ˈrəʊbɒt/ Rụ bốt Physics (n) /ˈfɪzɪks/ Vật lý
 Physicist (n) /ˈfɪzɪsɪst/ Nhà vật 
 lý học
Spaceship (n) /ˈspeɪsʃɪp/ Tàu vũ Role (n) /rəʊl/ Vai trũ cạnh, 
 lĩnh vực
Invent (v) /ɪnˈvent/ Phỏt Identify (v) /aɪˈdentɪfaɪ/ Nhận 
Invention (n) /ɪnˈvenʃn/ minh ra biết, 
Inventor (n) /ɪnˈventə(r)/ Nhà phỏt nhận ra
 minh
Transorm (v) /trổnsˈfɔːm/ Thay Support (v) (n) /səˈpɔːt/ Ủng hộ
Transformation (n) /ˌtrổnsfəˈmeɪʃn/ đổi, biến 
 đổi
Insect (n) /ˈɪnsekt/ Sõu bọ, Replace (v) /rɪˈpleɪs/ Thay thế
 cụn Replacement (n) /rɪˈpleɪsmənt/
 trựng
Biology (n) /baɪˈɒlədʒi/ Sinh học Probably (adv) /ˈprɒbəbli/ Hầu như
Biologist (n) /baɪˈɒlədʒɪst/ Nhà sinh chắc 
 vật học chắn
Realistic (a) /ˌriːəˈlɪstɪk/ Hiện Oversleep (v) /ˌəʊvəˈsliːp/ Ngủ 
Reality (n) /riˈổləti/ thực, quờn
Become a reality /bɪˈkʌm əriˈổliti/ thực tế 
 Trở 
 thành
 hiện 
 thực
Accurate (a) /ˈổkjərət/ Chớnh Steam engine /stiːm ˈendʒɪn/ Đầu mỏy 
Accuracy (n) /ˈổkjərəsi/ xỏc (n) hơi nước
Measure (v) /ˈmeʒə(r)/ Đo, đo Transport (v) /ˈtrổnspɔːt/ Chuyờn 
Measurement (n) /ˈmeʒəmənt/ lường Transtportation /ˌtrổnspɔːˈteɪʃn/ chở, vận 
 Phộp đo, (n) tải
 số đo
Pollute (v) /pəˈluːt/ ễ nhiễm Mistake (n) /mɪˈsteɪk/ Lỗi, sai
Polluted (a) Make a mistake lầm 
Pollution (n) /pəˈluːʃn/ Mắc lỗi
Cure (v) /kjʊə/ Chữa Discover (v) /dɪˈskʌvə/ Phỏt hiện 
 khỏi Discovery (n) /dɪˈskʌvəri/ ra
Light bulb (n) /laɪt bʌlb/ Búng Patent (n, v) /ˈpổtnt/ bằng 
 đốn sỏng chế, 
 được cấp
 bằngsỏng 
 chế
Precise (adj) /prɪˈsaɪs/ Chớnh Quality (n) /ˈkwɒləti/ Chất 
 xỏc lượng
 II. Grammar: Future tenses – Review
 Reported speech
 III. Pronunciation: Stress in words starting with un- and im-
 B. EXERCISES 9. in japan have found that human ageing may be able to be Resear
 delayed or even reserved.
 10. Here are several proven studies that describe how to keep Scien
 fit.
V. Find one word that does not belong to each group.
 1. A. developer B. researcher C. cooker D. technician
 2. A. explore B. communicate C. disagree D. biologist
 3. A. physics B. economic C. technical D. enormous
 4. A. zoology B. apology C anthropology D. archaeology
 5. A. unchanged B. unaware C. unsure D. uncle
VI. Choose the best answer (A, B, C or D) to complete each of the following sentences.
 1. If the teacher were here now, we’d ask him the difference _ “science” and 
 “technology”.
 a. Among b. Of c. Between d. for
 2. She needs to work on her interview if she wants to get the job.
 a. Technique b. Technology c. Technological d. 
 technician
 3. The teacher me that I had better devote more time to science subjects such as 
 physics, chemistry and biology.
 a. Said b. Talked c. Spoke d. told
 4. Science is used in all corners of the world for the of people.
 a. Interest b. Need c. Profits d. 
 benefit
 5. Artificial intelligence (AI) is an area of concerned with making computers copy 
 intelligent human behaviour.
 a. Learning b. Study c. Lesson d. 
 invention
 6. The protection of technologies and technological information has become for 
 many nations.
 a. The importance of a concern c. The importance concerning
 b. A concern of important d. an important concern
 7. If you something, you should patent it as quickly as possible.
 a. Invented b. Will invent c. Have invented d. are 
 inventing
 8. The new invention could have a wide range of in industry.
 a. Applications b. Concerns c. Goodness d. 
 advance
VII. Give the correct form of the verbs in brackets to finish the sentences. 3. “I will hand in my assignment to the teacher tomorrow.”
 She said
 4. “The film will begin at seven o’clock.”
 They announced that.
 5. “We have never seen this species of lizard before.”
 Biologists said that
 6. “Cloning will become more popular in the next century.”
 The scientist said that 
 7. “Every home will have at least one robot to perform any boring task.”
 Dr Nelson said that
 8. “Parents do not allow children to play computer games for a long period of time.”
 The teacher told us that..
 9. “Nuclear power plants don’t require a lot of space.”
 The physicist said that...
 10. “Wrong decisions in Chernobyl caused a big nuclear explosion.”
 The politician told the audience that..
IX. Rewrite the following sentences in direct speech.
 1. Viet said that he would be doing an experiment at 10 o’clock the following day.
 ..............................................................................................................................................
 2. Mr. Quang told me that they hadn’t been at the Young Inventors Club the night before.
 ..............................................................................................................................................
 3. She told me that I could try it then if I like
 Recently, it is important (6) about computers. There are a number of things 
 to learn. Some companies have (7) at work. In addition, most universities 
 (8) day and night courses in Computer Science. Another way to learn is from a 
 bok, or from a friend. After a few hours of practice, you can (9) with computers. 
 You may not be an expert, but can have (10) .
 1. A. in B. on C. at D. over
 2. A. much B. rather C. more D. less
 3. A. hold B. carry C. stay D. keep
 4. A. However B. Moreover 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. classes B. meetings C. schools D.
 discussions
 8. A. send B. offer C. bring D. spend
 9. A. use B. make C. work D. take
 10. A. fun B. funny C. enjoy D. for
 fun
XI. Read the following passage and answer the questions.
 Inventions That Changes Our World
 People have been inventing things for years. Paper was invented about 2,000 years ago. 
 The wheel was invented more than 5,000 years ago. What would life be like without paper to 
 write on or bikes to ride? Those inventions have made life easier.
 Airplane
 The Wright Brothers invented the first airplane in December 1903. That makes 2003 
 the 100thanniversary! Before the airplane was invented, most people traveled bycars, boats, 
 and trains. Today, airplanes help people travel faster. How do airplanes help you?
 Telephone
 Alexander Graham Bell invented the telephone in 1876. Before the telephone was 
 invented, people kept in touch by writing letters or talking in person. Today the telephone 
 makes it easier for people to talk to one another. How do telephones help you?
 Automobile
 The first four-wheeled gas-powered car was invented by Karl Benz in 1891. Before 
 people had cars, they couldn’t travel easily. They walked or rode horses for short trips. They 
 took trains or boat for long trips. Today cars are one of the main ways people travel. How do 
 cars help you?
 Computer A. PHONETICS
 I. Find the word which has a different sound in the part underlined. Read the 
 words aloud.
 1. A. allow B. follow C. yellow D.
 fellow
 2. A. exhaust B. hour C. honest D.
 house
 3. A. mood B. moon C. soon D.
 good
 4. A. Dutch B. Russian C. just D. use
 5. A. descent B. Dissent C. discontent D.
 continent
 II. Choose the word that has a different stress pattern from the others.
 1. A. consequently B. advantage C. apologise D.
 complain
 2. A. relationship B. arrangement C. challenging D.
 eliminate
 3. A. Prescription B. profession C. mechanic D.
 calculate
 4. A. Japanese B. English C. Indian D.
 American
 5. A. emphasize B. equipment C. improvement D.
 distinguish
B. VOCABULARY & GRAMMAR
 I. Turn the adverb of time in the box into indirect speech.
 Direct speech Indirect speech/ reported speech
 Tomorrow 
 Next Sunday 
 In two weeks 
 Today 
 Yesterday
 Yesterday evening