() 4. —It’s said that people are thinking of building a bridge across the lake.I hope they will think about it carefully. The environment will be if there is too much traffic.

   A. protected   B. produced   C. prevented   D. polluted

() 3. All living things the sun for their growth.

   A. depend of   B. depend on   C. fill with   D. full of

() 2. In the piano test,my brother didn't play well and I did .

   A. very well   B. much better   C. even worse   D. very good

三、 单项填空(20分)

() 1. —Would you mind the music a little? Don’t you think it's too loud?

—Sorry!I ll do it in a minute.

   A. turning on  B. turning off   C. turning up   D. turning down 

3. — Why would you like to be a social worker?

—Because I want to make a to the world.

2. —Why are trees so important to our environment?

—Because they can hold water and keep soil in , especially in desert areas.

二、 根据对话内容，写出句中所缺单词(3分)

1. —Could you please off the TV? It's late!

—Sorry,right now. I didn't notice the time,mum.

12. We should pay attention to the road condition instead of driving (粗心地) .

11. Haze (雾霾) is (有害的) to people's health.

10. To everyone's surprise,the price of (石油) dropped a lot in 2015.