六级练习2014.02.09
[audio]http://sound.yywz123.com/tingbbs/cet6/cet620140209.mp3[/audio]Last August,Susan and 42 other students got wet and dirty while removing six tons of garbage from the river running across their city.(1)______________________. Like one in three American rivers,this river is so polluted that it’s unsafe for swimming and fishing, still, Susan,who has just completed her third summer on the river clean-up ,scene has changed in this river. "Since we started three years ago ,the river is getting a lot cleaner" ,she says. Environmental scientists praised the teenagers for removing garbage that can harm wild life.Waterbirds,for example,can choke on plastic bottle rings and get cut by scrap metal.Three years ago,when the clean-up started,garbage was everywhere,but this year,the teenagers had to hunt for garbage.(2)___________________. By the end of the six hour shift,they have removed enough garbage to fill more than two large trucks. "Seeing all their garbage in the river makes people begin to care about environmental issues, "Susan says.She hopes that when others read that she and her peers care enough to clean it up, (3)________________________.
**** Hidden Message ***** they cleaned up the river as part of a week-long environment camp
they turned the clean-up into a competition to see who could find the most garbage and unload their boat fastest
maybe they will think twice before they throw garbage in the river they cleaned up the river as part of a week-long environment camp
they turned the clean-up into a competition to see who could find the most garbage and unload their boat fastest
maybe they will think twice before they throw garbage in the river they cleaned up the river as far as a week long environment camp
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