18．•
Go Green Enjoy tap water
（1）IT'S THE RESPNSIBLE CHOICE
•Producing plastic bottles and transporting water require a lot of energy and resources（资源）…just to land in the waste!
（2）IT SAVES MONEY
•
Bottled water costs money．Tap water is free for you!
•Go Green Eat responsibly
49．（1）C
•Shorter distance（ 距离） requires less transport fuels（燃料）…and less chemicals needed to keep food fresh．
（2）EAT LESS MEAT
•Meat production needs a lot of resources．
（3）
AVOID PACKING
•Packaging requires energy and resources just to end up in the waste…
•Go Green Keep it on the screen
…and if printing cannot be avoided remember to：
•PRINT DOUBLE-SIDED and in black-white．
•Set the printer/copy machine to ENERGY SAVING model when done
•
REUSE single-sidedsingle-sidedprinted paper for internal documents（内部文件） or as not paper…
•Go Green E-communicate
•Reduce what gives out quite a lot of Greenhouse Gas（温室效应气体）：instead of traveling，make use of VIDEO MEETING，WEB MEETING，and the good old phone．
For more information visit www．greeningtheblue．org．
47．The purpose of the passage is to give advice on how toA．
A．protect the environment
B．cancel traveling
C．avoid printing
48．C save money for you．
A．Producing plastic bottles
B．Using bottled water
C．Using tap water
49．The missing part in Go Green Eat responsibly isC．
A．CHOOSE GREEN FOOD
B．KEEP FOOD FRESH
C．SUPPORT LOCAL
50．It is suggested thatBprinted paper should be reused for taking notes．
A．doubled-sided
B．single-sided
C．colored
51．You can get more information about"Go Green"byA．
A．visiting the websit e given
B．making a phone call
C．having a meeting．
