Title UNIT 5.docx ✅

UNIT 5: INVENTIONS TEST 1 I. Find the word which has a different stress pattern from the others. 1. A. internet B. energy C. battery D. computer 2. A. factory B. processor C. pollution D. atmosphere 3. A. motorbike B. appliance C. memory D. company 4. A. telephone B. researcher C. invention D. equipment 5. A. transmission B. century C. chemical D. holiday II. Fill in each blank with a suitable word or phrase from the box. software experiment operation systems display storage space devices processor laboratory Hardware 1. The researchers are repeating the __________ on rats. 2. __________ is the mechanical components of a computer. 3. He writes __________ programs for financial institutions. 4. This small screen can __________ simple graphics as well as text. 5. She has donated money to establish a pharmaceutical __________ . 6. These newly-designed __________ will appear on the exhibition next month. 7. The computer __________ detected an unrecoverable hardware error and reported it. 8. As defined in computer science, each character requires one byte of __________. 9. This software can be installed on both Linux and Windows __________ . 10. __________ is short for Central Processing Unit, one of the most important pieces of hardware in any computing system. III. Supply the correct form of the verbs in the present perfect or the past simple. 1. He __________ (already make) several calls up until now. 2. She __________ (watch) that show three times this week. 3. Since the first time I __________ (try) sushi, I __________ (never eat) it again. 4. __________ (you buy) food online during the past pandemic? 5. My best friend and I __________ (know) each other for over five years. 6. Lan can’t go out with you because she __________ (not finish) her homework yet. 7. My close friend loves this writer and he __________ (read) all of his books. 8. My uncle __________ (not smoke) for two weeks, he is trying to give it up. 9. Nam __________ (live) in Da Nang for twenty years and then he went to his hometown. 10. I __________ (not get) many good marks last year, but I __________ (get) lots of excellent marks this year. IV. Choose the correct option. 1. I cannot wait (seeing/to see) my parents. 2. (Have/Having) some close friends is really cheerful.