II. 学法指导
英语单词就像大楼的根基一样重要。英语单词很多,但英语单词也有些规律可循,如果掌握其中的规律,就可闻一知十,触类旁通。从构词法来讲,单词的核心是词根;前缀后缀都是有规律可循的。如:sharpener,词根是sharp,从sharp到sharpener,其演变规律如下:
sharp adj 锋利的?sharpen v. 削尖?sharpener n. 卷笔刀
a. ?en 用作动词后缀(adj.+en?v.) 表示使,使变成,成为 例如:
wide 宽的?widen 拓宽 short 短的?shorten 使缩短 deep深的?deepen加深
b. ?er 用作名词后缀(v.+er?n.) 表示做某事的人或与某事物有关的事物或能做某事的事物,例如:
read 读?reader读者 light点燃?lighter打火机 cut切?cutter切割机、刀具
III. 补充练习
A. 根据语境,选择适当的答语。
1. Mary finds a ring. She asks,
A.Is this your ring? B. Whats your name?
2. John and Sally meet. John says,
A. Goodbye, Sally. B. Hello, Im John.
3. Jane finds his watch. She says,
A. No, it isnt. B. This is his watch.
4. You dont know what it is. You ask,
A. How do you spell it? B. Whats this?
5. If someone asks, Whats this? You answer,
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