1.①As is shown in the chart, ____% of the____and____%_____.Another _____%____.The
②As we all know, _____do much harm to_____, even causing people to _____.At the same time, ________. But to our sadness，_________.(分析图表所反映现象带来的影响)
③How do we protect ourselves from_________ ?I think we should________. In addition, it's very impor tant for us to_______. Do remember that_____________.(提出具体建议，以避免上述现象带来的不利影响)
2.①Recently i have conducted a survey on _____（指出一种现象，while同时有别的情况发生。）
②Hopefully, the result of my survey can draw the attention of________.Firstly,_____（ 第一个原因）Secondly,_____ （第二个原因.） Apart from the above reasons, _____（第三个原因）
③By doing_____（上文涉及之事， 将带来什么样的好处或者坏处）.What's more，_____（介绍另一个好处或者坏处.）
