完形填空（二）（本題共15小題，滿分30分）
閱讀下面短文，根據文意，將方框內所給的詞或短語的適當形式填入相應的空白處，使短文的意思完整。（每個詞只能使用一次）（本題共十小題，每小題2分，滿分20分）
We all need a healthy environment, but we produce waste every day and it__小題1:__ our environment. Though we are young, we can still do something to help. In fact, even the simplest _小題2:__activities can make a real difference to the environment. Here are some ideas for you.
Reduce means “use less”. Don’t waste things. This __小題3:__money and reduces pollution and waste going into the environment. Before we buy something new, think ___小題4:____it is really necessary—or maybe the old one will be just as good! When we do buy things, choose local products if __小題5:_____ and try not to buy too many things from abroad.
Reuse means “use again”. Use things for as long as possible. When we buy things, make sure that they __小題6:__ a long time. We should look after them__小題7:_ they will last and we should repair them if we can instead of throwing them away and buying new ones. Don’t use a paper cup or a paper bag. It’s better to use a china cup and a lunch box because you can use them __小題8:__.
Recycle means “change things into something else”. Although it takes ___小題9:_ to change something into something else, it’s better than throwing things away or burning them. Find out what can be recycled in your_小題10:__ and take part in recycling programmes. We should also buy products made from recycled materials, such as recycled paper, to help save trees.
