1. directions方向,  location位置,  safe安全,  presentation展示

app应用程序,  by themselves通过他们自己.

2.

Reflexive pronouns反身代词：

myself我自己,  yourself你自己,  himself他自己,  herself她自己,  

itself它自己,  ourselves我们自己,  yourselves你们自己,  

themselves他们自己,  by themselves通过他们自己.

3.

Has the wind changed direction?

风向改变了吗?

What is the location of your car?

你的车在什么地方?

The children are quite safe in school.

孩子们在学校里很安全。

Elon Musk will give a presentation on the new products.

埃隆·马斯克将为新产品做演示。

This team is trying to develop an app for food.

这个团队正在开发一款食物应用。

Mike and Anna cooked a meal by themselves.

迈克和安娜自己做了一顿饭。

Are you sure you can finish homework by yourself?

你肯定你能自己完成作业吗?

3.Listening P85-4.2: