2)You can expand your knowledge by reading more books

译：________________________________________________

3)Why not your story a novel?

　为什么不把你的故事扩展成小说呢?

4)He his new plan．他阐述了他的新计划。

辨析：expand／extend／enlarge／spread

(1)expand"扩大；使膨胀"，指范围、体积的扩大。

(2)extend"扩充；伸长"，指空间范围等的扩大，长度、宽度的延伸及时问的延长。

(3)enlarge指面积、体积和范围的扩大以及能力的增长，不能用来指重量、速度、时间等。

(4)spread侧重指向四面八方展开，强调其表面，也指物种、疾病、思想或文化习惯的传播、延伸。

5)Water when it freezes．

　水结冰时体积变大。

6)The hot weather to October．

　炎热的天气一直持续到十月份。

7)Reading will your vocabulary．

　阅读能扩大你的词汇量。

8)The disease quickly around the village．

　这种疾病迅速在整个村庄里蔓延。

3.Thanks to his research, the UN has more tools in the battle to rid the world of hunger

知识归纳：

1） thanks to 多亏，由于

表示"因为，由于"的短语还有：because , as a result , on account , owing , due .

① __________________(多亏你的帮助),We were successful.

② (由于天气不好) ，the match has been cancelled.

2) rid v (rid rid ridding)

　rid....of ..... 使....摆脱 rid .adj.

　get/ be rid of...

He finally rid himself of all financial worries．

他终于使自己摆脱了所有的财政忧虑。

You have rid yourself of that bad habit.

你已经改掉了那个坏习惯。

归纳：rid的过去式和过去分词均是

1)近义词：

Free...of使摆脱......

break away from脱离，摆脱

2)rid的常用短语归纳：