1. record记录,  skyline天际线,  urban城市,  more and more ……越来越多,  

urban area城市,  megacity大城市,  view景观,  against反对,  hometown家乡,  top顶部,  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,  be sure确定,  screenshot截图,  

without没有,  download下载.

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.

2.

Last summer was the hottest on record.

去年夏天是有记录以来最热的一年。

Skyline is the outline of buildings, trees, hills against the sky.

天际线是建筑物、树木、山丘在天空的映衬下的轮廓。

Urban lifestyle has changed a lot in the past 30 years.

在过去的30年里，城市的生活方式发生了很大的变化。

More and more people are using internet.

越来越多的人在使用互联网。

This company wants to build the tallest building in this urban area.

这家公司想建这个城区最高的大楼。

Megacity is the large city with more than one million population.

Megacity指人口超过一百万的大城市。

The view from the Everest is magnificent.

从珠穆朗玛峰上看到的景色非常壮丽。

Put the piano against the wall.

把钢琴靠在墙上。

That is against the law.

那是违法的。

Hometown is the place where you were born or lived as a child.

家乡是你小时候出生或生活的地方。

She was standing at the top of the mountain.

她站在山顶上。

Write your name on the top.

把你的名字写在上面。

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?

I will send you the screenshot on Wechat.

我会在微信上把截图发给你

Can you see that mountain without your glasses?

你不戴眼镜能看见那座山吗?

You can download pictures from the website. 

你可以从网站上下载图片。

3.Video P82:  

3.Listening P85-4.2: