Title TA8 ISW SEMESTER 2 REVIEW_KEY.docx ✅

PRACTICE UNIT 5 | SCIENCE AND TECHNOLOGY I/ PRONUNCIATION A. Choose the word whose underlined part differs from the other three in pronunciation in each of the following questions. 1. A. pollution B. transport C. waste D. plastic 2. A. child B. machine C. chocolate D. chair B. Choose the word whose primary stress is placed on the second syllable. 3. A. carefully B. happily C. intelligently D. normally 4. A. directly B. usually C. happily D. finally II/ VOCABULARY AND GRAMMAR Choose the best option (A, B, C or D) to complete each of the following questions. 5. The firemen arrived just in time to ______________ the child stuck in the fire. A. assist B. help C. rescue D. provide 6. Robots can search for people after earthquakes ______________ than humans can. A. faster B. slowly C. slower D. quickly 7. Without modern science and ______________, humans cannot travel to the moon. A. technological B. technician C. technology D. technologically 8. Jane’s mom: Robots can recognize people’s voices and do what they say. Jane: ______________ A. How amazing! C. I know. It’s a new one. B. What a great robot! D. Don’t worry! It’s easy! 9. If we check our tests ______________ carefully, we can get higher scores. A. much B. more C. a lot D. well 10. My mom cleans the floor ______________ than a vacuum cleaner. A. more fastly B. more slowly C. slowlier D. more faster 11. Cleaning is a simple job, and robots don’t get ______________. A. crazy B. mad C. bad D. tired 12. My father prefers this robot because its battery can ______________. A. run fast B. last longer C. move slowly D. keep it hotter
III/ ERROR CORRECTION Find the underlined part that needs correction in each of the following questions. 13. These robots can still function normal in extreme weather. A. These B. function C. normal D. extreme 14. The new tablet is modern, and the screen is a little too small. A. new B. is C. and D. a little too 15. The robot Eve is moderner than Wall-E in the movie "Wall-E". A. is B. moderner C. in D. movie 16. If you want a device for playing games, I think you should buy a computer instead for a smartphone. A. playing B. buy C. computer D. for IV/ WORD FORM Write the correct form of the given words. 17. In the future, people can use smartphones as helpful devices to __navigate____________. (NAVIGATION) 18. Newton is considered one of the greatest ____scientists__________ in the world. (SCIENCE) 19. Henry got a higher score for his literature test last week because he did it more ____carefully__________ than the other students. (CARE) 20. We couldn’t even recognize that robot was working because it was moving very ___quietly___________. (QUIET) V/ READING Read part of a website article about computer technology. Write ONE suitable word in each space. In 1965, a computer engineer called Gordon Moore said, ‘The number of items in a computer chip will double every year.’ In other words, chips will become more and more powerful while, at the same time, becoming smaller and smaller. Ten years later, he changed the doubling time (21)____to_______ every four years. For the next 45 years, his idea proved to be correct, so people now call it Moore’s Law. Although some people say the speed of change
(22)_____is______ lower now, as a result of Moore’s Law, the power of modern computers is unbelievable. One example will show this. Apollo 11 was the American spacecraft (23)___which/that________ took astronauts to the Moon and back in 1969. It is clear that the computer on this spacecraft (24)____was_______ able to do a lot of very difficult things. However, it had a lot less power than your present smartphone! Your phone has at least one million times more RAM than the spacecraft had. It also works at a speed which is 100,000 times (25)___faster/quicker________ than Apollo 11’s computer. So if you can find someone to program your phone for a trip to the Moon and back, all you will need to make the trip then is a spacecraft! VI/ WRITING A. Use the given words or phrases to make a complete sentence. 26. We / can use / robots / instead / people / serve / restaurants / save time.  We can use robots instead of people to serve at restaurants to save time. 27. My laptop / not / good for / play games / so / I / want / change it.  My laptop isn't good for playing games, so I want to change it.  My laptop is not good for playing games, so I want to change it. 28. We / not think / robots / can do / any / the jobs / good / than humans /.  We do not think robots can do any of the jobs better than humans.  We do not think that robots can do any of the jobs better than humans.  We don’t think that robots can do any of the jobs better than humans. B. Rewrite the following sentence without changing its meaning. Use the given word(s) if any. 29. All the students in my class cleaned the floor more slowly than a robot. (QUICKLY) A robot cleaned the floor more quickly than all the students in my class. A robot cleaned the floor more quickly than all the students in my class did. 30. My phone can capture high-quality photos because it has 5 cameras. (SO) My phone has 5 cameras, so it can capture high-quality photos.
UNIT 6 | LIFE ON OTHER PLANETS I/ PRONUNCIATION A. Choose the word whose underlined part differs from the other three in pronunciation in each of the following questions. 1. A. disappear B. planets C. Mars D. Venus 2. A. exciting B. living C. gravity D. billion B. Choose the word that differs from the other three in the position of the main stress in the following question. 3. A. population B. similar C. temperature D. terrified 4. A. gravity B. alien C. prediction D. oxygen II/ VOCABULARY AND GRAMMAR Choose the best option (A, B, C or D) to complete each of the following questions. 5. The farmer ______________ in the field when he saw a UFO. A. is working B. was working C. worked D. works 6. Scientists float in a space station because there’s no ______________. A. technology B. science C. gravity D. air 7. The world’s ______________ is growing more quickly every year. Our planet is becoming more and more crowded. A. pollution B. popularity C. population D. pollutant 8. A: What is the word that means 'very small'? B: I think it's '______________'. A. huge B. strange C. tiny D. scary 9. The magician was standing on the stage, but then he suddenly ______________. A. saw B. heard C. appeared D. disappeared 10. The UFO hovered ______________ our house for a few minutes then disappeared into the clouds. A. above B. under C. inside D. on 11. Those aliens looked really scary. I was ______________ when I saw them! A. delighted B. terrified C. happy D. bored 12. I think she is sick. She ______________ to school tomorrow.