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通过隧道的最快方式是什么?

这节课是关于静电机器的历史。

Explore the vibrant energy and cultural richness of multicultural cities in this digital lesson.

In this lesson, you are going to learn about how people celebrate New Year’s Eve.

In this lesson, you are going to learn and practise family vocabulary.

了解美国历史上最重要的社会权利活动家之一罗莎·帕克斯。

你的茶里真的有龙卷风吗？为什么搅拌后糖会聚集在中间？

With this digital lesson you can gain insight on some unusual but fascinating holidays.

This digital lesson is going to focus on different aspects of memories and how we can talk about them.

Learn about the modal verbs of deduction with this digital lesson.

In this lesson, you can practise modal verbs in the context of expressing ability, permission, advice and obligation.

In this lesson, you are going to learn how to ask and answer questions about what you like and don’t like.

In this lesson, you can expand your vocabulary related to space while you learn some interesting facts too.

Join us as we imagine the world of tomorrow and prepare to make your own predictions about life in the future!

In this lesson, you are going to learn the numbers from 0 to 100.

In this lesson, you are going to learn how to give personal information about yourself.

了解函数及其基本类型。

在本课中，您可以学习两种类型的函数。

Improve your speaking and vocabulary skills with this lesson about family traditions and the generation gap.

学习不同类型的函数。

关于函数系列的最后一部分。

在本课中，您可以探索意大利。

The aim of this lesson is to expand your vocabulary related to cooking.

In this lesson, you are going to learn how to tell the time.