1) We should do something to reduce our _________. a) carbon footprint b) environmental awareness c) natural resources d) global climate 2) We can develop ________ habits in our class to keep it cleaner. a) eco-friendly b) environmental c) efficient d) reusable 3) The greenest classroom will win a(n) __________ to Trang An. a) plastic water bottle b) ecotour c) air conditioner d) coloured sign 4) Plastic takes hundreds of years to __________, which is certainly not good for the environment. a) decompose b) refill c) develop d) judge 5) Many of our classmates buy plastic water bottles every day and throw them away after a _________. a) single use b) reuse c) refill d) waste

UNIT 3: GETTING STARTED

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