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,____________.

　　14.On the contrary,there are some people in favor of_______.They believe_________.Moreover, they think_______.

　　15.There are several measures for us to adopt. First,we can______________, there are a number of advantages of______________.Another solution is to______________.

　　16.It is high time that something was done about it.For example,______________.In addition,______________. All these measures will certainly______________.

　　17.There are some other people, who______________.Their reasons are different,something for______________,sometimes for______________, and sometimes simply for______________.

　　18.______________is necessary and important to our country’s development and construction. First,_____________. What’s more,_____________. Most important of all,______________.

　　19.However, if not managed properly, ________can create many problems.Sometimes__________. Furthermore, ___________.Therefore, ____________has been gaining public concern.

　　20.There are probably many reasons for______________. First,______________.Second,______________. Finally,______________.

　　21.Well, why is there________? I think there might be two reasons. One is_______, and the other is______________.

　　22.There are, I think, two main reasons for______.In the first place, _______. In the second place, ________.T herefore, _____.

　　23.Why______________? For one thing,_________. For another, ________. Perhaps the main reason is______________.

　　24.It is no easy job to find the reasons for this tendency which involves several complicated factors.For some______________. For others______________.

　　25.Why______________? The first reason is that______________.The second reason is______________.The third is______________. For all this, the main cause of______________is due to______________.