Với những chìa khóa về chiến lược trong việc phát triển các kỹ năng trong tiếng anh, tài liệu này giúp cho sinh viên học tập tiếng anh được tốt hơn. | UNIT 9 Unit 9 Key Lead-in p. 72 1 See Student s Book page 217. 2 The missing foods from left to right oranges pasta milk chicken. 3 Example answers 1 Taking a bath uses more than 30 more water than taking a shower. 2 It takes seven times more water to use a dishwasher than to wash dishes by hand. 3 We use ten times as much water for cooking each day as for drinking. 4 It takes over three times as much water to water the garden as to wash the car. I Washing the car uses less than a third of the water needed to water the garden. Focus on speaking 2 1 b Figure 2 2 80 Text after Figure 3 3 USA. Japan highest India lowest Figure 3 4 70 Text after Figure 1 5 . glaciers aquifers lakes rivers atmosphere biosphere. Figure 1 NB It s worth introducing the term aquifer. since it occurs again in the main text an aquifer is any rock formation containing water that can be used to supply wells. 6 a Text after Figure 1 7 c Text after Figure 4 8 a most b least Figure 4 Focus on reading 2 p. 75 2 1 1941 para. 5 2 350km 4 3 not given 4 Mono Lake 5 3 5 C Within ten years the city needed more. para. 5 6 E LA was ordered to reduce its water intake . 5 7 A with the waler level in Mono Lake falling to dangerously low levels 5 8 E LA s entitlement was reduced by about 50 5 9 B with inevitably harmfid consequences for fish and wildlife 5 10 D 40 per cent of wells . contaminated above federal limits 6 4 11 H para. 1 12 J respiratory problems due to vehicle emissions 2 13 A No metropolis on the planet has looked further afield for its supply 4 14 1 5 15 G the considerable winter rainfall. is swallowed by concrete drainage systems . 6 16 B a threat to economic expansion 7 17-20 in any order B nature walks . equestrian trails 9 C to collect run-off rainwater from buddings and redirect it . 10 F to restore the river 9 G recreate wetland areas to attract birds 9 Focus on vocabulary p. 79 lid 2 e 3 a 4 c 5 b 21F 2 H 3G 4A 5 C 6 D 7E 8B 31 10 - Hazard warning TO SET THE BALL ROLLING . It s .
