Pre-reading Activities: Warm-up Questions 3. How serious of a threat do you consider the “ greenhouse effect”tobe? Give reasons for your answer
Pre-reading Activities: Warm-up Questions 3. How serious of a threat do you consider the “greenhouse effect” to be? Give reasons for your answer
Pre-reading Activities: Listening First Listening: Before listening to the tape, have a quick look at the following words. greenhouse effect n.温室效应 alter . to make different. but without release carbon dioxide vt1. allow sth. to fly, fall freely释放 at free: allow to go排放 tropical md执带的 ecology global n. a way in which sth. happens, pattern moves, develops or is arranged Ⅴenus 几.金星 n温度计,寒暑表 thermometer
Pre-reading Activities: Listening greenhouse effect alter release carbon dioxide tropical ecology global pattern Venus thermometer First Listening: Before listening to the tape, have a quick look at the following words. n. 温室效应 v. to make different, but without changing into something else vt. 1. allow sth. to fly, fall freely 释放 2. set free; allow to go 排放 adj. 热带的 n. 二氧化碳 n. the relationships between living things and their surroundings 生态 adj. of or concerning the whole earth 全球的 n. a way in which sth. happens, moves, develops or is arranged n. 金星 n. 温度计，寒暑表
Pre-reading Activities: Listening Second listening: Listen to the tape again. Then, choose the best answer to each of the following questions. A) The dangers caused by changes in the atmosphere. B) Problems on the planet venus. C) The damage done by different types of pollution D)Ways of growing flowers in the winter
Second Listening: Listen to the tape again. Then, choose the best answer to each of the following questions. Pre-reading Activities: Listening 1. A) The dangers caused by changes in the atmosphere. B) Problems on the planet Venus. C) The damage done by different types of pollution. D) Ways of growing flowers in the winter
Pre-reading Activities: Listening Second listening: Listen to the tape again. Then, choose the best answer to each of the following questions. A)A"blanket of green glass being built over some low-lving cities B)Old trees being cut down in order to build houses C) A warming of the earth's temperatures D) Cloud of green dust on the planet Venus
Second Listening: Listen to the tape again. Then, choose the best answer to each of the following questions. Pre-reading Activities: Listening 2. A) A “blanket” of green glass being built over some low-lying cities. B) Old trees being cut down in order to build houses. C) A warming of the earth’s temperatures. D) A cloud of green dust on the planet Venus
Pre-reading Activities: Listening Second listening: Listen to the tape again. Then, choose the best answer to each of the following questions. 3. A) Burning of fuels by cars and factories B)Alarge increase in the number of trees in some areas. C)Alarge decrease in the number of trees in some areas. D) Pollution in the earths rivers and streams
Second Listening: Listen to the tape again. Then, choose the best answer to each of the following questions. 3. A) Burning of fuels by cars and factories. B) A large increase in the number of trees in some areas. C) A large decrease in the number of trees in some areas. D) Pollution in the earth’s rivers and streams. Pre-reading Activities: Listening