Unit 11 Listening Period 67 I Before listening

Unit 11 - Listening (Period: 67) I: Before listening. -. List some of the things you use energy for in your house. + petroleum +gas + coal + electricity

Task 1: Listen and complete the sentences by circling the letter A, B , C or D Sinh th¸i häc Ecology ( n) Ecologist ( n) Nhµ sinh th¸i häc Consist ( v). . of Bao gåm Properly ( adv) ®óng ®¾n , chÝnh x¸c 1. D 3. D 2. C 4. A 5. C Nitrogen Ni t¬ oxygen, « xy carbon dioxide, C¸c bon ®i « xÝt

Task 2: Listen again to the last part of the talk and write in the missing words. * Solar energy, air, and water are renewable resources unlimited supply. However, this because there is (1). . . . . definition may change if people are not careful with these resources. The amount of solar energy that reaches the. atmosphere earth depends on the (2). . . If the atmosphere is polluted, the solar energy that reaches the earth may (3). . . . . be dangerous. If life is going to continue, the air must contain the correct amount of nitrogen, oxygen, gases humans carbon dioxide, and other (4). . . . . If continue to pollute the air, it will not contain the correct amount of these gases. (5). . .

v III. After listening Which group do these sources of energy belong to? Put a tick (v) in the right column. Sources of energy nonrenewa ble v Coal Geothermal v v Petroleum Solar energy oil Wind energy Gas renewable v v

* Homework: -Learn new words - Prepare the next period Copy task 1 in your exercise book