【文章內容簡介】 . There are two basic sources of these problems. One is manmade, for example, . The other is a natural catastrophe. . Then, how should we ? One method is Or perhaps is a better way to In addition, .提出問題問題來源之一問題來源之二解決方法之一解決方法之二解決方法之三模板3 No doubt, everyone wishes to . When we discuss this, some fundamentalprinciples should be brought in mind. The first key factor to solve this problem is is another key factor . But the two methods may bring us some side effects, for example . Of course, themost effective way to solve the problem is that . But the conditions are not yet met. All in all, the solutions may not bring the perfect result, but as longAs we do it with our brains and hands, we will one day resolve it.提出問題解決措施之一解決措施之二這兩種方法的缺陷解決措施之三總結模板4 More and more attention has been focused on the problem of . It brings not only , but also .But the mostSerious result of the problem is . If the problem is not settled down, The suggestion we can make to the problem is . In that case, . .社會生活中出現(xiàn)的問題問題帶來的后果之一問題帶來的后果之二這一問題產生的最嚴重的后果從反面論證問題的嚴重性針對問題提出的建議解決問題后出現(xiàn)的前景解釋說明型題型總結包括“what”型和“how”型文章，具體解釋如下：①“what”型：what型說明文是對客觀事物的形體的構造、性質、功能、特點等進行說明。如果文章要求發(fā)表自己的觀點，就稱為what型說明文。②“how”型：以說明how為主的文章是把握一過程或順序向別人加以介紹和解釋。因此它注重的是一個“how”字以及回答或說明“how”這個字所涉及的方面。寫時要注意以下幾點：表達清晰，用詞準確，層次分明。要忠于客觀事實，不便用帶有感情色彩甚至偏見的詞語，不采用夸張手法。強調邏輯嚴密，文章按邏輯條理或時間順序來寫。模板1 A has always placed an importance on and distinct effects on an individual. There are many practical reasons for that. One effect of A is that .A reinforces a second effect . Perhaps the most powerful effect of A is . Many people because of . Others Because of Regardless of the reasons for A, however, the effects are considerable. Since We all would do well if 主題句A的影響之一A的影響之二A的影響之三總體評述，并給出建議模板2 The other day, I happened to The story is not rare, and it is one of the thousands who benefit form . One of the benefits derived form . To have a betterunderstanding of . We may look at . Another benefit is concernedwith . A good case in pointis . Of all the benefits resulting form.none has been more significant than Thus, it can be seen that .提出要探索的主題優(yōu)點之一舉例說明結論模板3 We often e into that A . The story is not unique, it is oneof the thousands who suffer from . One of the beneficial effects on is . To have a full appreciation of we may turn to . Another effect relates to .A typical example of this is .Of all the benefits resulting form, nothing is as significant as . In my opinion, A is just . If , it may be useful for .Whatever A is, the key point lies in .