X九（全）Unit13SelfCheck.ppt

* LOGO Unit 13 We are trying to save the earth. 1 Write different forms of the words. Then add more to each group. v. — n. n. — adj. pollute— pollution fame— famous act— action wood— wooden protect— protection science— scientific inspire— inspiration health— healthy build— bulding south— southern create— creation care— careful adj. — n. adj. — adv. different— difference slow— slowly important—importance wide— widely sudden— suddenly significant—singnificance real— really relevant—relevance brilliant— brilliance 2 Match each statement with the grammar structure. The river used to be so clean. We have seen many changes in the environment. People should take public transportation more. The river is polluted by factories. The air pollution is getting worse and worse. Statement Present progressive Modal verbs Passive voice used to Present perfect Grammer Kinds of pollution Ways to cut down water pollution land pollution 3. Write ways to cut down on these kinds of pollution. ask factories not to throw wast into the river; remind people not to litter ensure that factories throw away industrial wast in a responsible way;try not to use plastic bags when shopping Kinds of pollution Ways to cut down noise pollution air pollution build airport away from places where people live encourage people to use public transportation instead od driving; reduce the number of factories that bure coal 1. My alarm clock doesn’t work. It needs ______. A. to be repaired B. repair C. to repair D. for repairing 2. His death was _____ by a high fever. A. spread B. caused C. got D. showed 3. His mother ____ a worker in that factory. A. used to be B. used C. used to being D. used be 4. —Your classroom is very clean. —Sure. It ________ after school every day. A. is cleaned B. cleans C. cleaned D. is cleaning Write a letter to the local goverment, raise the environmental problem and try to think out possible solution