一、复习

Level3-Unit3-Part1*Learning-

 Listening-"Life & Conditions 1"-D31-18/07/24

二、学习

Level3-Unit3-Part1*Learning-

 Listening-"Life & Conditions 2"

1、Pollution poisons[毒] the air and water that we depend on.

2、As temperatures rise, the polar icecaps will melt.As the polar icecaps melt, ocean levels will rise.

3、Pollution is now a growing problem around the world.

4、Areas of some countries will soon be under water.

5、In modern times we humans face changing conditions.

6、Humans need temperatures to be in a comfortable range.

7、Irreversible changes cannot be undone because they cannot be reversed.

8、We need to do this before it's too late.

9、It's difficult to predict what's going to happen.

10、The entire ecosystem that we depend on is changing.

11、This planet Earth is our only home and we need to protect it.

12、With more understanding, we can make better choices about what to do.

ADD

1、Polluted water poisons our food supply.

2、Let's hope that humans are smart enough to understand how the world is changing.

3、We can face the challenges of pollution and global warming.

4、Some of these changes are irreversible.

5、To be in a comfortable range means to be neither too hot nor too cold.
[neither...nor...-两者都不//both...and...-两者都]

6、As the polar icecaps melt, ocean levels will rise.

7、People will be forced to relocate from flooded areas.

8、Therefore, pollution is a major threat to our existence.
[--a major threat to something-"对某物的一大威胁"]

9、With global warming, global temperatures are rising.

10、Plants convert[转换] light energy, along with carbon-dioxide[二氧化碳] and water, into chemical energy.

11、Plants convert light into chemical energy.

12、Because of his disease, he is unable to walk and talk.

13、In nature, even small changes can sometimes have large effects.

14、People will be forced to relocate from flooded areas.[force somebody to do something - 强迫某人做某事]

15、Let's not ruin[废墟/破坏] the surprise.

16、You just had to ruin[毁] the evening.