本單元的寫作項目是議論文，議論文的寫作就是對某一方面的問題，通過列舉事實、講道理的方法來表達(dá)自己的看法。一般來說，議論文由論點、論據(jù)、論證三部分組成，通常按提出問題、分析問題、解決問題的邏輯順序來安排寫作?；究蚣?．開頭(beginning)——交代或提出問題2．主體(body)——介紹或從幾個方面來分析問題3．結(jié)尾(ending)——寫出解決問題的方法或思路主題詞匯1．a(chǎn)rgue with sb.about sth.與某人爭論某事2．with the development of science and technology隨著科技的進(jìn)步3．My reasons are as follows...我的理由如下4．I don't agree with the idea that...我反對……5．exploring space has promoted the development of...宇宙探索促進(jìn)了……的發(fā)生6．space exploration benefits farming宇宙探索惠及農(nóng)業(yè)話題佳句1．Different people have different ideas about space exploration.對于探索宇宙不同的人有不同的觀點。2．I hold the view that mankind should explore space.我認(rèn)為人類應(yīng)該探索宇宙。3．Different people look at the question in different way.不同的人對這個問題有不同的看法。4.60% of the people hold the view that exploring space will benefit us, on the other hand, 40% think it wastes lots of time and money.