3.15.Three students are talking about how to reduce the unnecessary waste in daily life. 16.Wang shen went back to the classroom again because the lights were still on. 17.Wang shen gives us two ideas on how to save electricity in the class. 18.Zhao Xin used to waste a lot of water when she washed her face. 19.Zhao's mother suggested that we should grow plants with the water we used. 20.Pan finds that many people in his dad's office make full use of printing paper.
1.在录音中,你将听到一段对话及五个问题.请根据对话内容及问题选择正确答案.对话及问题听两遍. 11.A.Tomorrow afternoon. B.Tomorrow morning C.Tomorrow evening 12.A.Hands up B.My old classmate C.Cinderella. 13.A.Only one B.Two C.Four 14.A.Row Four B.Row Three C.Row One 15.A.A quarter B.An hour C.Half an hour.