Every family in the UK produces over a ton of rubbish every year. A large part of the waste could be recycled, but only about 50% of the family waste is recycled in the UK now. 51 ．

First let's think about waste ： Waste is created when we throw things away because we no longer need or want them. 52 ．

When we throw things away, the waste is harmful to the environment in two ways. On the one hand, we are losing natural resources （资源） and energy, such as the wood which is made into chopsticks. So if we keep using and throwing away resources in this way, finally they will be used up. 53 ． The waste, or rubbish, has to go somewhere. In the UK, most waste is burned every year, which causes environmental pollution.

It is important for everyone to live sustainably （可持续地） , not just in the UK but around the world. 54 ． Then how can we do something smarter with our unwanted things?

55 ． Recycling means turning waste products into materials to make new products. For example, old mobile phones can be separated into different parts and some of the parts can be used in new phones or other electronic products.

All in all, everyone needs to make an effort to live an environmentally friendly life.

阅读短文，把 A~E 五个句子填入文中空缺处，使短文内容完整。

A．	Recycling is one way.
B．	However, it is difficult to make it come true.
C．	On the other hand, we are also polluting the environment.
D．	This could be anything-an empty bottle or an old mobile phone.
E．	The following explains why waste is bad for the environment and why it needs recycling.