在本单元的学习中，我们聚焦于一些重要的语法点和词汇，帮助大家更好地理解和运用英语。以下是本单元的一些关键知识点：

重点词汇

1. communicate - 表示交流或沟通，例如：We need to communicate with each other more often.

2. invent - 发明，创造，比如：Thomas Edison invented the light bulb.

3. technology - 技术，科技，如：Modern technology has changed our lives.

4. product - 产品，成果，例如：This product is very popular among consumers.

5. improve - 改进，提升，如：She has improved her English significantly.

重要短语

1. be interested in - 对...感兴趣，如：He is interested in playing basketball.

2. keep on doing sth. - 坚持做某事，例如：They keep on trying until they succeed.

3. make progress - 取得进步，如：The students have made great progress in their studies.

4. be used for - 被用来做某事，例如：This tool is used for cutting wood.

5. get along with - 和...相处，如：It's important to get along well with your classmates.

语法点

- 被动语态：当动作的承受者成为句子的主语时使用被动语态。例如：

- 主动语态：Someone invents new technology.

- 被动语态：New technology is invented by someone.

- 一般现在时：用于描述习惯性动作或普遍真理。例如：

- She communicates with her friends every day.

- 现在完成时：强调过去发生的动作对现在造成的影响。例如：

- They have already finished their homework.

通过以上知识点的学习，希望大家能够更加熟练地掌握英语表达方式，并能在实际生活中灵活应用。继续加油，相信你们会取得更大的进步！