牛津深圳版英语七年级上册 unit3单元练习题（无答案）

牛津版英语七年级上册 Unit3 第一天 词汇与句型（1） 单项选择 D1 .The air is becoming worse and worse,so we should the Earth. A.destroy B.agree C.burn D.protect B2 .Let’s go out for a walk and the clean air. A.reduce B.breath C.pass D.fight C3 . means making things dirty and unhealthy. A.Rubber B.Collection C.Pollution D.Information B4 .Trees can make air and give out oxygen.(释放氧气) A.useful B.clean C.dirty D.hot B5 .Now we can take our bags to the shopping centre. A.iron B.own C.free D.harm A6 .Some tree can join their roots (根部) together and pass food and water. A.underground B.land C.sea D.river C7 .What will happen when the farmers the trees? A.put down B.let down C.cut down D.turn down D8 .The old man picked up some rubbish and it the dustbi