不同观点列举型（选择型）
There is a widespread concern over the issue that __作文题目_____.But it is well known that the opinion concerning this hot topic varies from personto person. A majority of people think that _ 观点一________. In theirviews there are 2 factors contributing to this attitude as follows: in the firstplace, ___原因一_______.Furthermore, in the second place, ___原因二_____.So it
