Unit 13 We're trying to save the earth!Self Check一、单项选择。12345BCDCA678910BBDCD1.I heard ________ her ， but I don't know her.A ． from B ． of C ． to D ． with2 ． Hong Kong ________ to be a good place for visiting today.A ． knows B ． knewC ． is known D ． was known3 ． Tom likes making model toys ________ used soda cans.A ． of B ． out C ． off D ． out of4 ．— Why will they ________ that old cinema?—They want to build a new shopping mall there.A ． set up B ． fix upC ． pull down D ． take away5 ．— What can we do to help protect the environment?—I think we can ________ paper to save the trees.A ． recycle B ． waste C ． make D ． do6 ． This kind of knife ________ metal and wood.A ． are made of B ． is made ofC ． are made from D ． is made7 ． On my way home ， I stopped ________ some food.A ． buy B ． to buyC ． buying D ． bought8 ． My father ________ a lot ， but now he has given it up.A ． used smoke B ． is used to smokeC ． was used to smoke D ． used to smoke9 ． ________ ， he goes to school on foot.A ． Save money B ． Making moneyC ． To save money D ． To make money10 ． I'm looking for a place ________ trees grow in water.A ． that B ． which C ． what D ． where二、词汇运用。A) 根据句意用所给词的适当形式填空。1 ． The __________(fisherman) made a fire and hung their wet clothes up to dry.2 ． The government introduced new ______(law) to stop smog from coal fires and factories and the situation improved a lot.3 ． It's wasteful to throw away the broken bike.You can sell it for __________ (recycle) ．4 ． He is a hard working scientist.He is doing ___________ (science) research now.5 ． I used to keep d...
