英語四級作文模板：如何寫說明文（2）
距離今年六月份英語四級考試越來越近了，在剩下不多的寶貴的備考時間里，各位考生更應該掌握復習技巧，多加練習。
以“Goals”為題打開一篇說明文的思路。
參考思路
1)目標的分類：(可根據時間順序，空間順序、邏輯順序或認識順序，任選一個進行分類和排列)
2)各個類別的特點和細節：
3)組織成文：
范文點評
Goals
Everyone has goals. Many people do not reach their goals for lack of planning. These three sets of goals should be developed： lifetime， intermediate and short term.
Lifetime goals should be written out. These goals should be clear and reasonable. For instance， the goal to win a research prize is clear and measurable. Other lifetime goals might include publishing a certain number of influential books or articles， earning a departmental chairmanship at a major university， successfully competing for a grant from the National Science Foundation or securing a consultantship with a big corporation.
Intermediate goals relate to outcomes during the next few years. For the beginning doctoral student， intermediate goals may include completion of course work and preparation of a doctoral research proposal. Like lifetime goals， these are measurable and clearly stated.
Short-term goals involve outcomes expected during the next 12 months. These goals are more performance oriented， and they help with achievement of intermediate goals. Examples of short-term goals are earning an A in a course， learning how to program a computer or performing an experiment.
【點評】本文介紹了人生的三種目標：終生的、長期的和短期的目標。在文中采用了說明文常用的方法：定義、舉例、分類和比較等。
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