2)第二段：

　　(1) 原因列舉：教材45頁“用于解釋原因的語句”

　　IV.用于解釋原因的語句

　　1. The phenomenon/change in ... mainly the fact that ...

　　2. One may regard the phenomenon as a ... 3. There are many for this dramatic growth/decrease. First, ... Second, ... Finally, ...

　　4. A number of factors can account for the change in ...

　　5. Another contributory factor of ... is ...

　　6. Why ...? Perhaps the primary reason is ....

　　7. ... is also responsible for the in ...

　　(2) 觀點陳述：教材43頁“用于比較、駁斥的語句”

　　I.用于比較的語句

　　1. The advantages of A outweigh any benefit we gain from B.

　　2. Good as A is, it has its own disadvantages. For one thing, it ...; for another, it ....

　　3. Although A has advantage over B ..., it can not compete with B in ...

　　4. A's advantage when B's advantages are considered.

　　II.用于駁斥的語句

　　1. Although a lot of people believe that ..., I whether the argument bears

　　2. As opposed to widely held ideas, I that ...

　　3. Although the popular is that ..., (a) current indicates that ...

　　4. They may be right about ..., but they seem to to the fact that ...

　　5. Although it is widely accepted that ..., it is unlikely to be true that ...

　　6. It is true that ..., but that ...

　　7. There is/are reason(s) for us to that ...

　　8. What these people fail to is that ...

　　9. may that .... It probably will. But ...

　　10. It is one thing to believe that ..., but it is quite another to say that ...

　　3)第三段：教材46頁“用于文章結尾的語句”

　　VI. 用于文章結尾的語句

　　, we may safely draw the conclusion that ....

　　2. All the evidence supports an unshakable conclusion that ....

　　3. It is (high) time that we placed great emphasis on ....

　　4. It is (high) time we put an end to the undesirable phenomenon of ....

　　5. There is that further attention must be paid to the problem of ....

　　6. It is necessary that effective actions should be taken to prevent the situation.

　　2、經典范文：

　　1)教材11頁：1

　　2)教材18頁：18

　　四級作文范文選

　　(供學生參考背誦)