第2课

2021-6-12 09:06| 发布者: admin| 查看: 135| 评论: 0

摘要: .

第二课

lesson two

1.火山

volcano

2.火山喷发是地球上的自然现象，让我们准备下列材料来研究火山的成因。

Volcanic eruption is a natural phenomenon on earth. Let's prepare the following materials to study the origin of volcanoes.

3.交流搜集到的有关火山的资料。

Exchange information about volcanoes collected.

4.圣·海伦斯火山在1980年喷发前，山顶布满积雪，美丽的景色吸引了众多旅游者。

Before the eruption of Mount St. Helens in 1980, the mountain top was covered with snow. The beautiful scenery attracted many tourists.

5.1980年5月18日的早晨，圣·海伦斯火山受地震影响突然喷发了。

On the morning of May 18, 1980, Mount St. Helens suddenly erupted due to the earthquake.

6.火山的喷发掀掉了400米高的山峰，喷出的火山灰和岩浆使周围的度假村、木材场和居民住宅遭到破坏。

The eruption of the volcano lifted off the 400 meter high peak, and the eruption of ash and magma destroyed the surrounding resorts, timber yards and residential buildings.

7.研究火山的成因。

To study the genesis of volcanoes.

8.实验提示：用番茄酱做岩浆，用土豆泥做地壳。

It is suggested that ketchup is used as magma and mashed potatoes as crust.

9.地壳越往深处温度越高压力越大。

The deeper the crust, the higher the temperature and the greater the pressure.

10.岩浆像烧熔了的玻璃似的通过岩石空隙或裂缝向上运动。

Magma moves upward through gaps or cracks in the rock like molten glass.

11.岩浆不断上升过程中，遇到薄弱的地壳时，就会喷出地表，形成火山。

In the process of magma rising, when it meets the weak crust, it will eject from the surface and form volcanoes.

12.火山喷发有时会伴随发生地震。

Volcanic eruptions are sometimes accompanied by earthquakes.

13.了解火山与人类生活的关系。

Understand the relationship between volcanoes and human life.

14.现在，许多火山成了著名的风景区，搜集有关资料，办一份《火山旅游报》吧！

Now, many volcanoes have become famous scenic spots. Collect relevant information and run a volcano travel newspaper!

鲜花

握手

雷人

路过

鸡蛋

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