1. Lily thinks it is _____ to ride a shared-bike to go to school.

2. I ____ 600 dollars for this computer last Saturday.

3. Everyone should take ____ to protect the environment. (act)

4. The boy couldn’t ____ the shoes and asked his mom for help.

5. This kind of material is ________ (reuse). Don’t throw it.

6. —Why don’t you buy the computer?
—It’s too expensive.I can’t ________ it.

A．afford

B．sell

C．borrow

7. —Would you like to ______ us in this topic?
—Yes, I’d like to.

A．join

B．attend

C．take part in

8. Some people think it's difficult for parents with young children to use public ________.

A．action

B．advantage

C．transportation

9. Nobody is in the room. Please go and ________ the light.

A．turn up

B．turn off

C．turn down

10. —How much is the ticket to Central Park?
—A one-way ticket ________ $40, and you can ________ another $20 for a round-trip.

A．costs；pay

B．cost；spend

C．pay；spend

A new rubbish sorting system(垃圾分类系统) has been put into use in Fangchengyuan Community in Beijing.Local people not only sort their rubbish，but also put QR codes(二维码) on it.
“When the rubbish is collected and the codes are seen，I will get reward points to exchange for small gifts and even some money，” one of the local people told reporters.“It's really creative and encouraging.”
This smart system has been carried out in 350 communities in Beijing.The capital of China has joined a list of cities in the country that take action to support rubbish sorting.For example，Shenzhen and Shanghai have made laws to punish people and organizations for not sorting rubbish correctly.
China produces quite a lot of rubbish every year.Much of the rubbish is buried(填埋) in soil or burned without being sorted.Landfills(填埋场) take up a lot of land and have a risk of polluting the soil and water nearby.And burning rubbish can produce harmful gases.Through rubbish sorting，we can reduce the use of landfills and air pollution.
What's more，rubbish sorting saves resources，which could bring economic benefits(经济利益)．For example，a ton of waste paper can be reused to make about 850 kg of paper，saving 17 trees and 50 percent of water.Because of their benefits，some countries have developed successful sorting systems.
Japan has a strict and detailed system.When people throw away a water bottle，the cap，the wrapper(包装纸) and the bottle itself have to go into three different bins.Every year，families receive special rubbish sorting timetables and directions from their local governments.They are advised to follow the timetables and directions when they throw away rubbish.
In Australia，every family is provided with three rubbish bins—the red lid(盖子) bin for “general waste” like food and plastic bags，the yellow lid bin for “recycling” like steel and glass，and the green lid bin for “green waste” such as grass and leaves.On the streets，the bins are printed with pictures of the things that are allowed inside.It makes recycling quite easy.
11. What will local people probably get if they put daily rubbish into the new system in Fangchengyuan Community?

A．A computer.	B．Some small gifts.
C．A lot of money.

12. Which of the following is NOT the consequence(后果) of burying rubbish?

A．Polluting soil.	B．Polluting water.
C．Saving resources.

13. Which paragraph discusses the economic benefits of rubbish sorting?

A．Paragraph 3.

B．Paragraph 4.

C．Paragraph 5.

14. In Australia，which bin should you put food left after dinner in?

A．The red lid bin.	B．The yellow lid bin.
C．The green lid bin.

15. Which of the following is TRUE according to the text?

A．In Australia，the green lid bin is used for all kinds of recyclable wastes.

B．In Japan，all kinds of things for recycling are printed on rubbish bins.

C．Japanese people cannot throw a bottle into a bin unless they move away the wrapper first.