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384 
Student Book 3 Answer Key 
Unit 1 
Page 4 
Preview 
Suzy: hard-working, serious 
Keri: easygoing, talkative 
Eric: de...
385 
6. pays a lot of money accountant 
7. lets you meet people reporter 
8. is artistic designer 
Page 14 
Language Focus...
386 
have to leave their mothers to live with their fathers. 
Line 18-20, 1. They cannot run, because their 
hair can be d...
387 
Page 38 
Comprehension 
1. b 2. c 3. a 4. b 5. c 
b. E e. C 
c. E f. E 
d. C h. C 
Do you know? c. lion 
Writing 
Ans...
388 
The Real World 
Answers will vary. 
Idiom c. he’s easygoing and honest 
Unit 6 
Page 48 
Preview 
1. c 2. a 3. d 4. f...
389 
Page 64 
Language Focus 
2. period of time 
3. period of time 
4. point of time 
5. period of time 
6. point of time ...
390 
6. has 
Do you know? b. 1971 
Page 73 
Answers will vary. 
Pronunciation 
1. forgotten 4. given 
2. taken 5. eaten 
3...
391 
Do you know? b. does not have any people living 
there anymore 
Page 82 
Reading 
Answers will vary. 
There was a dea...
392 
1. paleontologist 
2. Experts 
3. planet 
4. research 
5. pattern 
6. roar 
Do you know? c. terrible lizard 
Page 97 ...
393 
Do you know? b. taekwondo 
Page 105 
The Real World 
Idiom b. study hard for a test 
Unit 12 
Page 106 
Preview 
2. s...
394 
Idiom b. I’m tired and I can’t concentrate 
Page 115 
Notes about Mars 
1. water 
2. 225 million, - 63 
3. small, 50 ...
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Time Zone M.3 Student Book Answer Keys

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Time Zone M.3 Student Book Answer Keys

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Time Zone M.3 Student Book Answer Keys

  1. 1. 384 Student Book 3 Answer Key Unit 1 Page 4 Preview Suzy: hard-working, serious Keri: easygoing, talkative Eric: dependable, kind Hiroko: funny, outgoing 2. languages 3. music 4. action figures 5. photography C 2. Suzy 3. Eric 4. Gilberto Page 6 Language Focus 1. who likes to play sports 2. who has blond hair and wears glasses 3. who does martial arts 4. who is/who’s funny and talkative 2. Gilberto’s the one who studies a lot. 3. Lili’s the one who’s wearing a red dress today. 4. Ming’s the one who’s pretty good at tennis. 5. Keri and Suzy are the ones who like to help the teacher. 6. Eric’s the one who collects Japanese action figures. 7. Eun-Sook’s the one who plays the piano and the violin. 8. Luis is the one who speaks Portuguese and Spanish. Page 7 Answers will vary. Pronunciation 1. glide 3. step 5. step 2. step 4. glide 6. glide Do you know? a. extroverts Page 8 Reading b. students talkative, extroverted, quiet, shy, friendly, easygoing, active, sporty, good sense of humor, funny, honest, fake, serious, outgoing Page 10 Comprehension 1. c 2. a 3. a 4. a 5. c Answers will vary. Do you know? c. hard-working and dependable Page 11 The Real World Lang Lang (pianist) R Tom Cruise (actor) L Avril Lavigne (rock musician) R Angelina Jolie (actress) L Monica Seles (tennis player) L Zac Efron (actor) R Michael Jordan (basketball player) R Idiom a. Can you help me? Unit 2 Page 13 Preview 1. chef 5. designer 2. reporter 6. accountant 3. nurse 7. flight attendant 4. doctor 8. police officer 2. lets you help people nurse 3. is creative chef 4. lets you work outside police officer 5. is challenging doctor A B B C B A A B D A B A
  2. 2. 385 6. pays a lot of money accountant 7. lets you meet people reporter 8. is artistic designer Page 14 Language Focus 2. that lets you work with animals. 3. that lets them be creative. 4. that lets us meet interesting people. 5. that lets him work with children. 6. that lets me help people. 1. that 5. that 2. with 6. as 3. with 7. be/do 4. be 8. as Do you know? b. teachers Page 15 Pronunciation 2. Laura, funny, kind 3. chef, works, restaurant 4. Ming, job, pays, lot, money 5. They, jobs, challenging 6. accountant, good, numbers Page 16 Reading oceanographer, extreme photographer, astronaut Answers will vary. Page 18 Comprehension 1. b 2. a 3. b 4. a 5. c Answers may vary. Do you know? c. Yuri Gagarin Page 19 The Real World Answers will vary. Idiom a. continue to work hard Unit 3 Page 20 Preview a. 4 b. 2 c. 3 d. 1 e. 5 1. movie theater 4. library 2. museum 5. temple 3. bus Answers will vary. Page 22 Language Focus 2. can’t use 7. can’t 3. can, listen 8. have to raise 4. can 9. Do, have to clean 5. have to eat 10. don’t 6. can, eat 2. You can’t walk on the grass. 3. You have to stay on the path. 4. You can’t play loud music. 5. You can’t feed the animals. 6. You have to recycle your water bottles. Page 23 Answers will vary. Pronunciation 1. has to 4. has to 2. have to help 5. have to study 3. have to 6. have to Do you know? c. Hungary Page 25 Reading hair, men, rain forest, outside, girl Line 4, so teenage Huli boys have to grow great hair Line 11-12, When boys are eight years old, they B C A A B C D B B A B B C B B A B
  3. 3. 386 have to leave their mothers to live with their fathers. Line 18-20, 1. They cannot run, because their hair can be damaged. 2. They have to stay away from fire. 3. They have to put water on their hair 12 times a day to make it grow faster. Page 26 Comprehension 1. b 3. a 5. b 2. c 4. c 6. a 6 2 3 4 5 1 Writing Answers will vary. Do you know? a. 15 cm Page 27 The Real World R F F R R R R F Idiom b. break the rules World Explorer Page 29 Notes about New Zealand 1. Auckland 2. bungee jump 3. Kiwis 4. Rotorua 5. Maori 6. sheep Unit 4 Page 32 Preview Answers will vary. Sample answers: Sloths: slow, careful, quiet, patient Bees: hard-working, quick Owls: quiet, patient, quick Dolphins: graceful, playful, quick B Sloth move slowly and carefully. Bees work hard and quickly. Owls wait patiently and quietly for their food. Dolphins swim gracefully. They jump playfully out of the water. 1. c 2. d 3. b 4. a Page 34 Language Focus 2. loudly, loud 3. quickly, quick 4. fierce, fiercely 5. bad, well 6. badly, good 1. hard 4. carefully 2. patiently 5. well 3. fast Page 35 Answers will vary. Pronunciation 1. A: How did Stig play at the soccer game? B: He played well and ran fast with the ball. 2. A: Is Ming going to help me do homework today? B: No, he’s helping Bob quickly finish his project for the science fair. Do you know? a. monkey Page 36 Reading 1. chimpanzee 3. crocodile 2. fox 4. elephant 2. roughly 5. silently 3. gently 6. carefully 4. curiously 7. quickly A A C B C D B A B A B
  4. 4. 387 Page 38 Comprehension 1. b 2. c 3. a 4. b 5. c b. E e. C c. E f. E d. C h. C Do you know? c. lion Writing Answers will vary. Page 39 The Real World as gentle as a lamb as graceful as a swan as playful as a kitten as quiet as a mouse as busy as a bee as fierce as a lion 1. as busy as a bee 2. as graceful as a swan 3. as playful as a kitten 4. as quiet as a mouse 5. as fierce as a lion 6. as gentle as a lamb Idiom b. cats and dogs Unit 5 Page 40 Preview Freshwater levels will fall. Deserts will expand. Food supplies will decrease. Temperatures will rise. Farmland will shrink. The number of wildfires will increase. Become larger: increase, expand Become smaller: fall, decrease, shrink 2. Drinking water supplies will decrease. 4. Land will become drier. 5. Animals and plants will die. Page 42 Language Focus Answers may vary. 1. less 4. more 2. fewer 5. fewer 3. More 6. less 1. will die 5. will get worse 2. will be 6. will have 3. will decrease 7. won’t be 4. will be like 8. ’ll get sick Page 43 Answers will vary. Pronunciation 1. are 4. is 2. There will be 5. will 3. I think, will get 6. think, is very Do you know? b. bald eagle Page 44 Reading ice floes = large pieces of floating ice (L. 16) carcasses = dead bear, dead bodies (L. 20-21) disappear = becoming extinct (L. 25) In the future, polar ice will continue to shrink and endanger the bears. Some scientists believe 65 percent of the world’s polar bears will disappear by 2050. (L. 22-24) Page 46 Comprehension 1. c 2. c 3. a 4. b 5. c 2. b 3. f 4. e 5. a 6. d Do you know? c. 76 cm Page 47 A B C D A B A B B C B A B A B
  5. 5. 388 The Real World Answers will vary. Idiom c. he’s easygoing and honest Unit 6 Page 48 Preview 1. c 2. a 3. d 4. f 5. e 6. b 2. riding my bike 3. visiting my grandparents 4. playing volleyball 5. hiking 6. eating dinner Page 50 Language Focus 2. taking pictures of the volcano 3. sleeping 4. studying in the library 5. skateboarding outside 6. traveling with her family 1. was sleeping 2. hit 3. was looking 4. struck 5. started 6. were celebrating Page 51 Pronunciation 1. a 2. a 3. a 4. b Do you know? b. typhoon Page 52 Reading a. Junko Tabei did something surprising. Answers will vary. Page 54 Comprehension 1. b 2. a 3. c 4. a 5. b 1. no time to escape 2. extreme pain 3. on her hands and knees 4. reached the summit 5. half finished 6. historic Everest climb Do you know? c. Edmund Hillary Page 55 The Real World 1. stay close to the ground, stay away from water, call for help on your cell phone 2. listen to a battery-powered radio, use a cell phone 3. stop the car and stay inside, keep the windows closed Idiom c. she angrily left the room World Explorer Page 57 Notes about Southern Africa 1. looking for 2. scared of 3. biggest, South Africa 4. fewer, can’t, slower Unit 7 Page 62 Preview a. discovered b. became c. won e. introduced f. invented g. died h. traveled Exploration a, h Technology e, f Sports c, d Entertainment b, g A B C B A B A B A A B B
  6. 6. 389 Page 64 Language Focus 2. period of time 3. period of time 4. point of time 5. period of time 6. point of time 1. in 5. from 2. in/during 6. to 3. ago 7. in 4. in 8. in Do you know? b. 7 Page 65 Answers will vary. Pronunciation 1. September 16, 2000 2. October 17, 1972 3. April 23, 1616 4. September 12, 2005 5. July 21, 1969 6. October 12,1492 Page 66 Reading 3 Who lived in Machu Picchu? 3 What is the city like today? Answers will vary. Page 68 Comprehension 1. a 2. b 3. c 4. b 5. b a. 5 e. 2 b. 3 g. 8 c. 7 h. 4 d. 6 Do you know? c. 2,500 Page 69 The Real World 2. j 5. d 8. h 3. c 6. a 9. g 4. i 7. e 10. f Idiom c. we have the same problem Unit 8 Page 70 Preview 1. danced 4. baked 2. eaten 5. given 3. worn 6. gotten Moon Festival 2 Mother’s Day 5 Carnaval 1 birthday 6 Valentine’s Day 4 Halloween 3 Page 72 Language Focus 2. Has Susan ever eaten Spanish food? No, she hasn’t. 3. Have her parents ever given her an MP3 player? Yes, they have. 4. Have you ever been/gone to a New Year’s parade? No, I haven’t. 5. Have they ever sung karaoke? No, they haven’t. 1. Have, been 2. Have, taken 3. ’ve/have, taken 4. has 1. Have, been 2. Have, worn 3. ’ve worn / have worn 4. Have, done 5. haven’t B C D B A B A B A B B C 1 2
  7. 7. 390 6. has Do you know? b. 1971 Page 73 Answers will vary. Pronunciation 1. forgotten 4. given 2. taken 5. eaten 3. gotten 6. written Page 74 Reading b. students outdoor cafés, concert stages, and beautiful sculptures (L. 3-4) amazing sculptures (L. 8) During the day, the sculptures shine in the winter sun. At night, colorful lights shine on them. (L. 9-10) They were interesting (L. 15) People really like the sculptures (L. 16) These sculptures were amazing (L. 20) Page 76 Comprehension 1. c 2. a 3 c 4. b 5. c 1. (Sapporo) Japan 2. Millions 3. 1950 4. one day 5. high school 6. soldiers 7. seven 8. snow, ice Do you know? c. 38 cm Page 77 The Real World Idiom a. she was very scared Unit 9 Page 79 Preview Before Now Yuki in a village apartment Roberto in the suburbs apartment Alex in the country house Carrie in the city farmhouse Shilpa in a town apartment Page 80 Language Focus 2. She used to live in the city. 3. She didn’t use to stay home during the summer. 4. She used to travel a lot with her family. 5. She didn’t use to babysit her neighbors’ kids. 6. She used to be a DJ at a teen club. 7. She didn’t use to study at the library every weekend. 8. She used to go to the movies every weekend. 1. didn’t, use to live 2. used to have 3. don’t (have it) anymore 4. used to hang out 5. Did, use to go 6. didn’t use to hang out 7. used to meet 8. used to be 9. goes, anymore Page 81 Answers will vary. Pronunciation 1. used to work 2. use to do 3. used to go 4. used to live 5. use to like 6. use to hang out D B A B A B A B C D B
  8. 8. 391 Do you know? b. does not have any people living there anymore Page 82 Reading Answers will vary. There was a deafening noise, and the city of Pompeii started to shake. In the crowded market, shoppers screamed and pointed at Mount Vesuvius, the huge volcano near the city. Ash and smoke were shooting 30 kilometers into the sky from the volcano. (L. 1-4) Some people took money and jewelry and ran for their lives. (L. 11-12) Page 84 Comprehension 1. b 2. a 3. a 4. c 5. b August 24, midday 2, 4, 6, 7 August 24, midnight 5 August 25, morning 3 Do you know? a. Indonesia Page 85 The Real World Idiom c. I’m comfortable here World Explorer Page 87 Notes about Angkor 1. f 2. d 3 e 4. b 5. a 6. c Unit 10 Page 90 Preview 4 body 3 skeleton 5 fossil 1 bones 2 footprint 1. found the bones 2 discovered the footprints 3. identified the skeleton 4. discovered the body 5. found the fossil Page 92 Language Focus 2. 1 3. 2 4. 2 5. 1 6. 2 2. didn’t do 3. found 4. was 5. have learned 6. (have) discovered 7. didn’t study Do you know? a. plants Page 93 Answers will vary. Pronunciation 1. skeleton 4. temperature 2. crocodile 5. mammoth 3. energy 6. history Page 94 Reading c. Dinosaurs in the Movies bones, teeth (L.13) skin, soft tissue (L.16) skin (L.17) feathers, tail (L.19) skeleton, skin (L. 21) Page 96 Comprehension 1. b 2. a 3. a 4. b 5. c A B A B A B B C D B A B A
  9. 9. 392 1. paleontologist 2. Experts 3. planet 4. research 5. pattern 6. roar Do you know? c. terrible lizard Page 97 The Real World Idiom b. difficult to understand Unit 11 Page 98 Preview 1. participate in 5. donate 2. hold 6. clean up 3. volunteer 7. ask for 4. take care of 8. hand out a. 5 b. 4 d. 2 e. 3 a. 3 b. 2 c. 1 d. 4 Page 100 Language Focus 2. clean up 3. set up 4. takes care of 5. participate in 6. ask for 7. help out 8. find out about, hand out 1. It’ll be a success if more people help out. / If more people help out, it’ll be a success. 2. it won’t be any fun if no one participates. / If no one participates, it won’t be any fun. 3. If people want to enjoy the show, they’ll need a babysitter. 4. If kids come to the babysitting center, they can play fun games. 5. If there are a lot of kids, will it be too noisy? / Will it be too noisy if there are a lot of kids? 6. If you make your famous chocolate cookies, I’ll buy them all. Page 101 Answers will vary. Pronunciation 1. 3 2. 2 3. 3 4. 2 5. 2 6. 3 Do you know? b. $30 billion Page 102 Reading a. Who is the girl on the magazine cover? c. Why do these children need help? d. Why are some children homeless? Her name is Sharbat Gula. (L. 8) there were many street girls who did not have parents and were homeless. (L. 18) Life is still hard, and many schools still do not have basic materials, like textbooks. (L. 26-27) Page 104 Comprehension 1. c 2. b 3. c 4. b 5. a B A B 1 2 B C D B A B A B
  10. 10. 393 Do you know? b. taekwondo Page 105 The Real World Idiom b. study hard for a test Unit 12 Page 106 Preview 2. sun 6. moon 3. planets 7. Venus 4. solar system 8. Mars 5. orbits 1. 200 billion 4. 365 2. 8 5. 385,000 3. 3rd 6. 27 Page 108 Language Focus: Review 1. is, lasts 2. were looking, discovered 3. used to eat, can eat 4. are going to build, will use 5. used to have, decided, isn’t 2. is the Mars Rover studying (on Mars)? 3. is a NASA spacecraft going to orbit Mercury? 4. are scientists learning about (on) Venus? 5. will the New Horizons spacecraft do if it reaches Pluto in 2015? 6. astronauts visiting Jupiter in the near future? 1. landed 6. has traveled 2. have learned 7. are planning 3. have, been 8. want 4. went 9. go 5. were studying 10. will learn Page 109 Answers will vary. Pronunciation 1 . T he ays tronaut slowly eyn tered the spacecraft. 2 . T hree ays tronauts recently returned to Ewa rth. 3 . S cientists didn’t know awb out Pluto uwn til 1930. 4. Mercury and Venus are in the inner solar y y system. 5 . I n 1969, two wA mericans landed on the moon in A pollo 1y 1. 6 . A stronauts do wa lot of training before they go iwn to space. Do you know? b. Venus Page 110 Reading 3, 2, 1 Answers will vary. Page 112 Comprehension 1. b 2. a 3. b 4. c 5. c 1. For 5. Against 2. Against 6. Against 3. For 7. For 4. Against Do you know? c. 437 days Page 113 The Real World Across 2. Pluto 5. astronaut 6. Mars 10. star 11. Mercury Down 1. Jupiter 3. galaxy 4. asteroid 6. Moon 7. solar system 8. Venus 9. craters A B A B C D B A B A B
  11. 11. 394 Idiom b. I’m tired and I can’t concentrate Page 115 Notes about Mars 1. water 2. 225 million, - 63 3. small, 50 4. rivers, higher/warmer 5. factories, rise/increase, plant 6. oxygen

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