Unit 2 Saving the EarthTopic 2 All these problems are very serious. Section C(1)________ of us knows how to stop the bad behavior.(2) I knocked on the door but ___________ answered.(3) Some of these books are better than__________.(4) She was driving the car with one hand and wiping the window with the _______.(5) They are beautiful but I am looking for ___________ useful.(6) Is there ___________ you can do to help her?(7) There’re 5 000 people living here and almost _________has his/her own car.(8) He’s cleverer than ____________ I know.(9) I’ve looked __________ but I can’t find it.Fill in the blanks using something, anything, others, nobody, everyone, anybody, everywhere, none, other.NonenobodyothersothersomethinganythingeveryoneanybodyeverywhereWhat can we do to protect our environment ? In our daily life, we should face more environmental problems. Can you say something about them? cities, pollute, health problems factories, the land and the air, deadIn our daily life, we should face more environmental problems. Can you say something about them? cut down, millions of, take away the earth, become desert拿走In our daily life, we should face more environmental problems. Can you say something about them? oxygen a special kind of oxygen called “ozone” (O3)氧气 a very big hole in the ozone layer, too much harmful radiation from the sun臭氧层放射，放射物 n. 洞，坑v. 出现，形成n. 种类，形式In our daily life, we should face more environmental problems. Can you say something about them?CO2 carbon dioxide increase a lot, form a “blanket”, the heat from the sun can’t escape二氧化碳毛毯，毯子渗出；逃跑；逃脱 cause the level of the sea to rise called “the greenhouse effect” or “global warming”v. 上升；起...
