1.the most obvious reason for this phenomenon is that______________. consequently,______________.
2.no matter you like it or not, aaa has become more and more popular and there are many reason for it.
3.it's an urgent task for us to change this unfavorable situation:______________.
4.the picture can reminds you of some strange, yet familiar phenomena existing in our society.
5.a great number of solutions are being offered.some people suggest that______________. others argue that______________.
6.confronted with aaa, we should take a serious of effective measures to cope with the situation.
7.however,________may cause some problems. first, it is__________. second,_______. finally,_____. so,it is clear that______________has its advantages and disadvantages.
8.although___________has a great advantage of__________, it can't compete with__________in____________.
9._________may be preferable to___________, but___________suffers from the disadvantages that________.
10.the advantages of____________are much greater that those of___________. for instance, ______________.
11._______may be preferable to______________, but it also suffers from the disadvantages that______________.
12.but i don't think it is a very good way to solve_______. for instance,______________.worst of all, ____.
13.there are many ways to__________. first,_____________. second,______________. third,____________.