4. analysis n.[c]分析，分解 analyse(analyze) vt.分析，分解 analytical adj.分析的，解析的

5. significance n. 意义，含义；重要性，重大 significant adj. 相当数量的；意义重大的 significantly adv. 意义深远地，重大地

6. division n.分(开，配，担；歧，裂)；除(法)；部门 divide vt.分(开)；vi.分开

7. skill n.[c,u]技能，技巧，熟练，巧妙 skillful adj. 灵巧的，熟练的，制作精巧的 skillfully adv. 巧妙地，技术好地

【练习】用括号内所提供词的适当形式或介词填空。

1). The way was blocked, so we went by an ________ (alternatively) road.

2). The design is slightly ________ (accurate), so we must make some changes.

3). The boss is worried about the ________ (accurate) of the statistics.

4). It' s impossible to predict the weather _________ (accurate).

5). A lot of people make the ________ (assume) that poverty only exists in the Third World.

6). The ________ (analyse) of the samples on the murder spot showed some valuable clues to the police the address.

7). Students need to possess certain basic ________ (skillful) by the time they finish schoo1.

8). He was valued for his skill ________ (介词) raising money for the company.

9). The discovery of the new drug is of great _________ (significant) to people suffering from heart problems.

10). Sometimes there is no simple _________ (divide) between good and evil.

Ⅲ.重点词汇（旨在提供词汇综合运用所需材料）

1. interrupt vt.&vi. 阻断，中断；打岔；插嘴 interruption n. 中断，打断

[典例]

1). Traffic in the city was interrupted by a snowstorm. 市内交通被暴风雪所阻断。

2). It is rude to interrupt. 打断别人的话，是不礼貌的。

[重点用法]

interrupt (sb/sth) (with sth) 打断（某人）讲话；打岔；打扰

[练习] 用interrupt的正确形式填空。

1). Electricity _________ (interrupt) in the course of work.

2). Let' s go somewhere where we can talk without _________ (interrupt).

2. applaud vt. 鼓掌，称赞，赞成 applause n. 鼓掌欢迎，欢呼

[典例]

1). Everyone applauded when the play ended. 演出结束时，大家都热烈鼓掌。

2). I applaud your decision. 我赞成你的决定。

[重点用法]

applaud sb. for sth 因某事而赞扬某人 applaud the decision赞成某个决定

[练习] 根据句子的要求在括号里填入适当的词。

1). She should be applauded ________ her honesty.

2). A crowd of 300 supporters warmly ________ her speech.

3). The candidate' s promise to improve public schools was greeted with a loud round