六级练习2015.02.10
[audio]http://sound.yywz123.com/tingbbs/cet6/cet620150210.mp3[/audio]The factories here employ 17,000 people in an area where there is very little alternative employment. It is not economically practical to close or relocate the factories. Also the factories cannot afford to (1)_____________________. Another problem is that the members of the Biramichi fishing cooperative are overfishing.
Fishes are caught when they are (2)___________________. Consequently, not enough fish are left to reproduce in large number. The members of cooperative say that they had already reduced their annual catch by 50 percent. However, my studies indicate that they took fewer fish because there were fewer fish to catch, (3)__________________________.
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