AV10-UNIT 5

Giaựo vieõn: VAN AI Vaứ caực em hoùc sinh trửụứng THPT dustmasks * VOCABULARY • + to provide sb (with sth) [prE'vaId] (v): to supply sb (with sth) - This book will provide you with (all) the information you need. " provision [prE'vIZn] (n) Ex: book/ provide/ you/ information/ need. Clean air provides us with a healthy supply of oxygen. Ex: + to contaminate [kEn'tXmIneIt] (v): to contaminate sth (with sth) to make dirty " contamination [kEntXm1#ne1Fn] (n) -The drinking water has become contaminated with lead. When wastes are poured into the atmosphere, the air becomes contaminated and unpleasant to breathe. - Chúng ta không nên làm ô nhiễm dòng sông của chúng ta bằng các chất thải và các hóa chất. -We shouldn’t contaminate our river with wastes and chemicals. Ex: water vapour + vapour (BrE)['veIpE(r)] (n): = vapor (AmE) a mass of very small drops of liquid in the air, for example steam + carbon dioxide ['kA:bEn daI'KksaId] (n): CO 2 Water vapour and carbon dioxide occur in the air naturally. + to occur [E'k3:(r)] (v): to exist or be found somewhere Ex: Sugar/ occur/ naturally/ fruit. - Sugar occurs naturally in fruit. Examples of air pollution are dust storms , volcanic eruptions, forest fires caused by lightning, pollen, and marsh gases. A dust storm …volcanic eruptions, forest fires caused by lightning, … + volcano [vKl'keInEV ] (n) (plural volcanoes / volcanos) Ex: A volcanic eruption + volcano [vKl'keInEV ] (n) - An active volcano may erupt at any time. " volcanic [vKl'kXnIk] (adj) Ex: - A dormant volcano ['dC:mEnt] - An extinct volcano [Ik'stINkt] …volcanic eruptions, forest fires caused by lightning, … A volcanic eruption Hawaii is a collection of undersea volcanoes that have risen above sea level over millions of years to form a chain of islands [...]... dirty and T / F unpleasant to breathe 3 Water and carbon dioxide occur in the air naturally T / F 4 Dust storms, volcanic eruptions and forest fires are among many sources that can pollute the air T / F 5 Industry is the only source of air pollution in cities T / F B QUESTIONS 1 What / clean air / provide / us? - What does clean air provide us with? - (Clean air provides us with) a healthy supply of oxygen