Tiêu đề ĐÁP ÁN UNIT 5.docx ✅

TIẾNG ANH 8 I-LEARN SMART WORLD ĐÁP ÁN UNIT 5: SCIENCE AND TECHNOLOGY ​BÀI TẬP ÁP DỤNG EXERCISE 1 Complete the sentences using the given words. brighten performance powerful storage weight carefully in charge of complete lift quietly recognized safely speaker features 1. Our latest model of phone has several new features. 2. There was a slight decrease in his weight after a week of dieting. 3.  Eventually, the pilot managed to land the plane safely. 4. We bought a new speaker for our stereo system. 5. If you listen carefully to this piece of music, you can hear a flute in the background. 6. Fire broke out in a basement storage area. 7. The president is more powerful than the prime minister. 8. This table is too heavy. Could you help me lift it , please? 9. He is a quietly spoken, thoughtful man. 10. I hadn't seen her for 20 years, but I recognized her immediately. 11. The teacher put me in charge of organizing the project. 12. He was an experienced player who was always seeking to improve his performance. 13. Betty painted the room white to brighten it up. 14. Complete the sentence with one of the adjectives provided. EXERCISE 2 Complete the following sentences with the correct forms of the words in capitals 1. According to the forecast, it should brighten up later. BRIGHT 2. After so many years she was still instantly recognizable. REGCONIZE 3.I love the quietness of the countryside in Daklak province. QUIET 4. By the age of 15, Allan had become an experienced circus performer. PERFORM 5. The causes of the phenomenon are still incompletely understood. No one really knows about it. COMPLETE
6. She argued powerfully for the benefits of her school. POWER 7. The fire was started by a carelessly discarded cigarette. CARE 8. The average male tiger weighs around 200 kg. WEIGHT 9. They had trouble keeping rats out of the food stores. STORAGE 10. Some people were badly injured and needed medical care. CAREFUL 11. How do you navigate your way through a forest? NAVIGATION 12. Scientists believe there is ice a few inches below the surface of Mars. SCIENCE 13. He is a keynote speaker at the conference. SPEAK 14. A technologist is an expert in technology. TECHNOLOGY 15. It doesn’t cost a lot of money. It is a relatively inexpensive hotel. EXPENSIVE EXERCISE 3 Mark the letter A, B, C, or D to indicate the correct answer to each of the following questions. 1. This is a ____. It costs 400 dollars. A. tablet B. house C. Apple watch D. tablet vover 2. Which devices has longer_____ life? A. storage B. gigabyte C.battery D. screen 3. Do they help ____ your life easier? A. to make B. make C. making D. makes 4. More _____ means you can download more music and movies. A. excursion B. expedition C. guide D. storage 5. I will buy Portal 6 because it is ____. A. cheaper B. a good screen C. expensive D. survival 6. What is screen______? A. chip B. size C. last D. space 7. ____ is this laptop? – 500 dollars. A. How much B. How many C. How far D. How long 8. However, for this week only, the Portal 6 is _____ sale for just 480 dollars. A. by B. on C. off D. with 9. ____ does the batter last?
A. How often B. How C. How long D. How far 10. What do you want to use it____? - I use it for studying. A. to B. with C. up D. for 11.  We send______ robots to search for people after the earthquake. A. complete B. cruise C. travel D. rescue 12. I usually cook ______so that I don’t cut my fingers. A. careful B. careless C. carefully D. carelessly 13. It has a lot of ______ , so it can store lots of music and photos. A. storage B.preserve C.size D. price 14. Nha Trang city is always ____ with tourists. A. full B. crowded C. flooded D. covered 15. He helped me_____ which smart phone I want for my birthday. A. recommend B. require C. choose D.classify EXERCISE 4 Mark the letter A, B, C, or D to indicate the word(s) CLOSEST in meaning to the underlined word(s)in each of the following questions. 1. My daughter, Khanh Chi, is an attentive student A. successful B. careful C. tasteful D. wonderful 2. Happily, the operation was a complete success. A. full B. final C. delete D. precious 3. The US remains the most powerful nation in the world. A. initial B. dominant C. unique D. perfect 4. They lift their arms above their head. A.pull B. push C. impress D. elevate 5. The streets were silent and deserted. A. noisy B. quiet C.peaceful D.empty EXERCISE 5 Mark the letter A, B, C, or D to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions. 1. It's one of the most dangerous places in the world. A. safe B. lucky C. noisy D. attentive 2. Tourists can do and see a lot in Ha Long Bay at a reasonable price.
A. inexpensive B. ỉneasonable C. cheap D. unreasonable 3. Please pay close attention to what I am saying. A. speak softly B. listen carelessly C. perform excellently D. argue powerfully 4. Our new robot can pick up an egg without breaking it. A. follow B.gather C. drop D. hold 5. Tsunami moves more slowly than Twitchy. A. more gently B. more gradually C. faster D. more leisurely EXERCISE 6 Mark the letter A, B, C, or D to indicate the correct response to each of the following exchanges. 1. Two friends Nic and Mat are talking about a sports match. Nic: “G'day mate. Did you catch the game last night?” Matt: “ .” A. I heard you do taekwondo. B. Yes, you're getting a bit closer. C. You must be right after all. D. No, who played? 2. Charlott is feeling umwell and has to see the doctor, Ben. Ben: “Do you have a temperature?” Charlotte: “ .” A. Yes I think so. It's been a bit high. B. I have a sore back. C. What seems to be the problem? D. I need a prescription, please. 3. Receptionist: "Good morning." - Chris: "Good morning. I've come to ____ Mrs. Dabria." A. see B. visit C. do business with D. hold a talk with 4. Hana and Jennifer are talking about the book they have read. Hana: ‘The book is really interesting and educational.’ Jennifer: ‘ .’ A. I'd love to B. Don't mention it C. It's nice of you to say so. D. I can't agree more. 5. “Excuse me. Where's the parking lot?” – “ ” A. You missed the turn. It's back that way. B. Do you get lost? I do too. C. You are going the wrong way. It's not here D. Why do you ask me? I don't know.