1.单词：

discover发现,  disappear消失,  global全球的,  issue问题,  

slow down减速,  carbon dioxide二氧化碳,  atmosphere大气层,  

damage损坏,  government政府,  in danger在危险中,  explain解释,  

present展示,  according to根据,  species物种,  completely完全地,  

carefully小心地.

2.句型：

Scientist around the world are working to discover a cure for AIDS.  

全世界的科学家都在努力寻找治疗艾滋病的方法。

Her nervousness quickly disappeared once she was on stage.

她一上台，紧张感就很快消失了。

Global warming has become a real problem for human nowadays.

全球变暖已经成为当今人类的一个真正的问题。

If you have any issues, please call this number.

如果您有任何问题，请拨打这个电话。

The bus slowed down for the next stop.  

公共汽车慢下来准备去下一站。

Humans take in oxygen and breathe out carbon dioxide.

人类吸入氧气，呼出二氧化碳。

Scientists are worried about the pollution of atmosphere.

科学家们担心大气污染。

The storm didn’t do much damage.

暴风雨没有造成多大损失。

Government troops closed the airport.  

政府部队关闭了机场。

People are in great danger during this war.

在这场战争中，人们处于极大的危险之中。

First, I will explain the rules of the game.

首先，我将解释游戏规则。

You need to present yourself better.

你需要更好地展示自己。

Everything went according to plan.  

一切都按计划进行。

Pandas are an endangered species.

熊猫是一种濒临灭绝的物种。

I have completely forgotten her name.

我完全忘记了她的名字。

We carefully watched every detail of his action.

我们仔细观察了他行动的每一个细节。

3.

Video P92-4.4: