OK，soyouthinkyou'regreen，doyou？Iknowyou：youliveinamoderncity，don'tyou？Youkeepyourbottlesandtakethemtothebottlebank．Youhaveablackbinandagreenbin，oneforcommonwasteandoneforrecyclable（循环的）

Question

OK，so you think you're green，do you？I know you：you live in a modern city，don't you？You keep your bottles and take them to the bottle bank．You have a black bin and a green bin，one for common waste and one for recyclable （循环的）waste．Your car uses lead-free petrol．You use the same plastic bag every time you go to the supermarket．Maybe you evern cycle to work from time to time．You are playing your part； you understands well； you are green and environment-friendly．Well，I've got news for you：
YOU ARE NOT DOING ENOUGH!
●If you don't believe me，look at these facts．
Trust me，they're from a BBC website．
●Every person in the UK throws away their own body weight in rubbish every seven weeks．
●Every year，each dustbin has enough unused energy for 500hot baths，3，500hot showers or 5，000hours of television．
●Every UK house produces over one ton of rubbish every year．
●At Christmas over 83square kilometres of wrapping paper is thrown in the bin．
Do you need to do more？No？OK，here are two more facts．
●Recycling just one plastic bottle saves enough energy to power a light bulb for six hours．
●Collecting dustbins and cleaning streets cost￡1.6billion per year．
Surely you must believe me now．You need to do more．The good news is that there is something else you can do．
50．Eevery person in the UK throws away___ every seven weeks．
A．one ton of rubbish                  
B．two tons of rubbish
C．their own body weight in rubbish      
D．two bodies weight in rubbish
51．At Christmas over___ square kilometres of wraping paper is thrown in the bin．
A.83           
B.500            
C.3，500                  
D.5，000
52．___ cost￡0.8billion half a year．
A．Recycling just one plastic bottle        
B．Collecting dustbins and cleaning streets
C．Throwing away common rubbish       
D．Beleiving what the writer says．

Answer 1

50．C  细节理解题，根据第二点●Every person in the UK throws away their own body weight in rubbish every seven weeks．可知每个英国人每七周都会减掉自己的体重，故选C．
51．A  细节理解题，根据第五点●At Christmas over 83square kilometres of wrapping paper is thrown in the bin．可知在圣诞节有超过83平方公里的包装纸被扔进了垃圾桶，故选A．
52．B  细节理解题，根据倒数第二段●Collecting dustbins and cleaning streets cost￡1.6billion per year．可知收集垃圾和清理街道每年要花费1.6亿英镑，而半年需要0.8亿英镑，故选B．