In 1990?

1990年呢？

初三英语课文 Unit 20 The world's population

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Thanks a lot.

非常感谢。

Yes, you're right.

对，你说得对。

Oh, dear! said Miss Yang. Are you sure you've lost it?

“哎呀！”杨小姐说，“你肯定你弄丢了？”

OK. Let's go to Number 1 Machine Shop.

好吧，让我们去第一机械车间。

No, I haven't.

不，没有。

So today, people still do the same thing to each other.

所以，今天人们还在互相做同样的事情。