【示例一】

　　①Recently the issue of whether or not ________(討論話題)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________(優點一). ④For another, it is widely hold that people usually ________when ________(優點二). ⑤But we must not lose sight of the fact that there are also drawbacks to ________ , among which are ________(列舉缺點). ⑥For instance, it can be ________to ________(舉例說明). ⑦In addition, many people find it ________(形容詞)to ________(第二個缺點).

　　【示例二】

　　①Some people are in favor of the idea of doing ________(主題). ②They point out the fact that ________(支持的第一個原因). ③They also argue that ________(支持的另一個原因).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 ________(反對的理由).