Unit 6 过关练习答案 一、单词：
1. 干净的 clean 2.肮脏的 dirty 3.垃圾桶 bin 4.工厂 factory 5.垃圾 rubbish 6.烟雾 smoke 7. 空气 air 8.死的 dead 9.保持，维持 keep 10.使……变得 make 11. 乱七八糟的 messy 12.地面、地上 ground 13.更多的 more 14.扔 throw 15.果皮 skin 16. 种植 plant 17.滑倒 slip 18.摔倒 fall 19. 城市 city 20. 河流 river 二、词组：
1 保持街道干净 keep the streets clean 2 我们城市的这些图片 these pictures of our city 3 使我们的城市变脏 make our city dirty 4 汽车尾气 smoke from cars 5 来自工厂的黑烟 black smoke from factories 6 又乱又脏 messy and dirty 7 那样做 do that 8 搭乘地铁去学校 take the metro to school 9 步行去学校 walk to school 10 从…搬走 move… away from 11 把垃圾放进垃圾桶 put rubbish in the bin 12 种植更多的树 plant more trees 13 扫地 sweep the floor 14 擦桌子和椅子 clean the desks and chairs 15 把垃圾扔地上 throw rubbish on the ground 16 步行回家 walk home 17 放学后 after school 18 又干净又漂亮 clean and beautiful 19 一个香蕉皮 a banana skin 20 死鱼 dead fish 21. 把它捡起来 pick it up 22. 去医院 go to hospital 三、句子：
1、看这些我们城市的图片。

Look at these pictures of our city. 2、什么使空气变脏？ 汽车尾气使空气变脏。工厂黑烟也使空气变脏。

What makes the air dirty? Smoke from cars makes the air dirty. Black smoke from factories makes the air dirty. 3、垃圾使街道变得又脏又乱。

Rubbish make the street messy and dirty. 4、水里有垃圾，鱼死了。

There’s rubbish in the water and the fish are dead. 5、为了保持我们城市干净，我们能做什么？我们可以搭乘公共汽车和地铁去学校。

What can we do to keep our city clean? We can take the bus and the metro to school. 6、我们可以把一些工厂迁出城市。

We can move some factories away from our city. 7、他们帮助空气保持干净。

They help keep the air clean. 8、放学后，波比和山姆正在走回家的路上。

Bobby and Sam are walking home after school. 9、波比在地上扔了一个香蕉皮。

Bobby throws a banana skin on the ground. 10、你不应该那么做。

You shouldn’t do that! 11、比利踩在了香蕉皮上滑倒了。

Billy slips on the banana skin and falls. 12、你应该把垃圾放进垃圾桶。

You should put your rubbish in the bin.