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, ______________. Therefore, ______________.

　23. Why ______________? For one thing, ______________. For another, ______________. Perhaps the main reason is ______________.