1.单词：

communicate with沟通,  project项目,  tip指点,  respond回应,  

feedback反馈意见,  reply答复,  original原来的,  text文本,  

as you know如你所知,  midterm中期的,  make sure确保,  paragraph段落,  

plenty of大量,  prepare做好准备,  chapter章节,  textbook教科书,  

definition释义,  percentage百分比.

2.句型：

Dolphins use sound to communicate with each other.

海豚用声音互相交流。

We had a group study on history project.

我们进行了历史专题小组研究。

Can you give me some useful tips on how to save money.

你能给我一些省钱的有用建议吗?

I asked him his name, but he didn’t respond.

我问他的名字，但他没有回答。

The teacher will give you feedback on the test.

老师会给你关于考试的反馈。

She never replied to any of my letters.

她从未回过我的信。

I think you should go back to your original plan.

我认为你应该按照原来的计划去做。

I bought a new laptop that can process text.

我买了一台可以处理文本的新笔记本电脑。

As you know, not everyone has perfect vision.

你知道，不是每个人都有完美的视力。

She was about to walk into a midterm exam for a subject she knew very little about.

她即将迎来一场期中考试，考试内容是一门她知之甚少的学科。

I’ll make sure he doesn’t put his foot in his mouth again.

我保证他不会再说错话了。

This paragraph refers to the events of last year.

这段话是指去年发生的事情。

Plenty of convenient stores stay open late.

很多便利店都营业到很晚。

The whole class is working hard preparing for the exams.

全班都在努力学习准备考试。

I have just finished reading Chapter three.

我刚读完第三章。

She wrote a textbook on international law.

她写了一本国际法教科书。

What is your definition of happiness?

你对幸福的定义是什么?

What percentage of the population is overweight?

人口中超重的比例是多少?

3.

Video P122-5.6: