The Atlantic ocean

Unit 3 Text A  The Atlantic ocean 课文参考教材       A few – I have a few friends in US.   Few- I have few friends in China.   a little- There is a little water in the bottle.   Little-There is little water in the bottle, so I need to buy some.   Rise-The sun rises in the east everyday.   Raise-My salary is raised again.       Unit 3 Text B The Moon课文参考教材           二．构词法   掌握英语构词法对扩大词汇量很有帮助。英语的构词主要有派生法，合成法和转换法。   合成是通过给词根加前缀或后缀的一种构词方法。   常见的前缀有：un-, dis-, in-, im-, 都表示“相反”意义，re-, mis-, pre-, inter-, multi-. 前缀的增加一般只改变词义而不改变词性。常见的后缀有：-er, -ist, -tion, -ment, -ness, -able, -less, -ly, -ify, -en等。词根加后缀以后通常保持原来的基本词义而词性则发生变化。Eg: worker, typist, education, movement, kindness, understandable, useless, conversely1, widen2, and so on.   合成法是由两个以上的词合成一个新词的构词方法。Eg: newspaper, classroom, housewife, outline, and so on.   转换法则是同一个词的不同词性之间相互转换的构词方法。Eg: water, interview, and so on.       例：Deepen—widen—ensure   Sharpener       Woodcut   Waterproof---water-resistance   Steal-stainless   Swimming-pool   Reading-room   Keyboard       Will—will you go to US?   Will you marry me?   There is a will, there is way.   In his will he left all his property to his son.   Well   You speak French well.   The well is very deep.

1 conversely   

adv.相反地，另一面

参考例句：

• He placed the box conversely.他把箱子放倒了。
• Conversely,the universe provides a laboratory.反过来，宇宙空间也可作为实验室。

2 widen   

v.(使)扩大；(使)变宽

参考例句：

• We should widen the opportunities for adequate medical care.我们应当使得到适当医药救护的机会更为扩大。
• When are they going to widen the streets?他们打算什么时候把这些街道加宽？