Period 2ALook and say 略BListen and number1We should not cut down too many trees.2We can use paper to make bags and cups.3Water is useful. We use water to brush our teeth every day.4We should not use too many plastic bags or bottles. It’s bad for the Earth.5Don’t waste water, please! In many places, there is not much water.6There is not much oil on Earth. We should save it.(a 3b 6c 4d 1e 5f 2)CRead and complete 1

Period 2ALook and say 略BListen and number1We should not cut down too many trees.2We can use paper to make bags and cups.3Water is useful. We use water to brush our teeth every day.4We should not use too many plastic bags or bottles. It’s bad for the Earth.5Don’t waste water, please! In many places, there is not much water.6There is not much oil on Earth. We should save it.(a 3b 6c 4d 1e 5f 2)CRead and complete 1