11a 部分翻译
Here are some words related to different kinds of pollntion．Write them in the box beiow. Then add more words．
这儿是一些与不同种类的污染有关的词语。把它们写在下面的方框中，然后添加更多词语。
loud music 大声的音乐
cars 小汽车
rubbish垃圾
planes飞机
littering 废弃物
ships轮船
factories 工厂
smoking 吸烟
building houses 建房
mobile phones 手机
noise pollution 噪音污染
air pollution 空气污染
water pollution 水污染
21b 部分翻译
Listen and complete the sentences.
昕录音，完成句子。
What was the problem?
问题是什么？
The river was <1> . Even the bottom of the river was full of <2> . There were no more <3> for fishermen to catch.
河里真的很脏。甚至河底充满了垃圾。不再有鱼让渔民去捕。
What caused the problem?
什么引起的问题？
People are throwing <4> into the river. Factories are putting <5> into the river.
人们正在把垃圾扔进河里。工厂正在把废物倒进河里。
How should the problem be solved?
应该怎样解决问题？
We should write to the <6> and ask them to <7> the factories. Everyone should help to <8> the river.
我们应该给政府写信，要求他们关闭工厂。人人都应该帮助清理河流。
31c 部分翻译
Role-play the conversation. Then make your own conversations about the kinds of pollution in 1a．
分角色表演对话，然后用1a中的各种污染编自己的对话。
Mark:The river was dirty. Even the bottom of the river was full of rubbish.
马克：这条河很脏。甚至河底充满了垃圾。
Tony:But it used to be so clean!
托尼：但过去它是那么干净！
Mark:Yes,but people are throwing litter into the river.
马克：是的，但人们正把垃圾扔进河里。
Tony:Everyone in this town should play a part in cleaning it up!
托尼：镇上的每个人都应该参与清理它！