考博英語作文

　　模塊（1）

　　Nowadays , there are more and more XX in some big cities . It is estimated that ( 1 ). Why have there been so many XX ? Maybe the reasons can be listed as follows.

　　The first one is that ( 2 ) .Besides, ( 3 ) . The third reason is ( 4 ). To sum up , the main cause of XX is due to ( 5 ) .

　　It is high time that something were done upon it. For one thing , ( 6 ). On the other hand , ( 7 ). All these measures will certainly reduce the number of XX .

　　注釋：