四级作文_四级作文句

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1、现象：With the development of science and technology, the problem ofhas produced wide public concern over the recent years.More and more people are beginning to realize thatis particularly piay a key role.2、原因：However,why doesphenomenon appeared ? There are many reasons behind this social general trend,but the most important one is.Besides,this situation is attributable to3、一些人认为…Some people take it for granted that,on one hand,.on the other hand,.4、另外一些人认为…however,some other people strongly opposes to.to beging with,.besides,.或者：The above opinion sound quite reasonable,though the other sides of the problem should not be ignored,such as.5、我的观点：To decide which is the best way,we must weigh the upsides and downsides on both sides.