第二节（共5小题；每小题2分，满分10分）
根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。
___51___ There are many things that can be done to help the environment and preserve it for future generations. As everyone knows, taking public transportation helps but what else can you do to make a difference?
Sometimes it is the simple changes you make, such as bringing your own chopsticks to a restaurant. More than ten thousand disposable chopsticks (一次性筷子) are thrown away in China per day. ___52___ So bring a pair of chopsticks when you eat out next time.
___53___ Every day more than one million plastic bags are thrown away. A great number of them go into oceans and hurt the animals and plants that live there. By bringing your own bag when you go to the store or market you can reduce the number of plastic bags used.
Plastic bottles, glass , newspapers and even aluminium cans are all recyclable and by collecting such items people are paid by the recycling company. ___54___ In fact every part that makes a car can be taken apart and recycled, from the wheels to the windscreen. ___55___
It may seem like a little change by only one person but when you start adding one person to another, huge changes can occur. It will make a world of difference but only if you take responsibility and act.
A．Another huge problem for the environment is plastic bag waste.
B．However difficult it is, we should prevent our planet from being polluted.
C．With such a large population, Earth needs to be protected and respected.
D．Cars can also be recycled.E.This is a huge waste of trees.
F.Some parts of the car can’t be recycled.
G.They all can be used again in a different way.