【示例一】
　　①Recently the issue of whether or not ________（讨论话题）has been in the limelight and has aroused wide concern in the public. ②There are two major arguments that can be made for. ③For one thing, ________can bring ________to________（优点一）. ④For another, it is widely hold that people usually ________when ________（优点二）. ⑤But we must not lose sight of the fact that there are also drawbacks to ________ , among which are ________（列举缺点）. ⑥For instance, it can be ________to  ________（举例说明）. ⑦In addition, many people find it ________（形容词）to ________（第二个缺点）.
　　【示例二】
　　①Some people are in favor of the idea of doing ________（主题）. ②They point out the fact that ________（支持的第一个原因）. ③They also argue that ________（支持的另一个原因）.④There might be some element of truth in these people’s belief. ⑤However, other people stand on a different ground. ⑥They consider it harmful to do ________. ⑦They firmly point out that ________（反对的理由）.