step by step 第二册 lesson 32

Lesson 72 Part Ⅰ

Lesson 72

Part Ⅰ  Warming-up Exercises

Numbers an Dates: Volcanoes of the World

Volcano  Height     Year of Eruption¹

1.Kronotskaya,the USSR                ____m.         ________

2.Sundoro, Java                           ____m.         ________

3.Mayon,the Philippines                 ____m.         ________

4.Niigata Yakeyama, Japan             ____m.         ________

5.White Island, New Zealand         ____m.         ________

6.Fuego,Guatemala                        ____m.         ________

7.San Miguel, ElSalvador               ____m.         ________

8.Vesuvio,Italy                              ____m.         ________

9.Santorini,Greece                         ____m.         ________

10.Colima,Mexico                         ____m.         ________

Score :____

Lesson 72 Part Ⅱ Volcanoes( Ⅰ )

Lesson 72

Part Ⅱ                          Volcanoes(Ⅰ)

 

Exercises:

1.The appearance of a volcano:

A volcano looks like a ____mountain. The top is rather ____and ____.It is called the crater², that is, the ____of the volcano.

2.The cause of a volcano:

Deep down in the earth's surface there is molten rock. It is very hot and it runs like ____. This rock is called ____.For some reason some part of the earth's surface is ____.It cannot resist the ____of the molten lava³. The lava forces its way up, passing through the rocks of the earth's ____and coming up to the  ____. The lava ____,and the volcano is thus formed.

Lesson 72 Part Ⅲ Volcanoes( Ⅱ )

Lesson 72

Part Ⅲ                             Volcanoes(Ⅱ)

 

Exercises:

	Name	Place	Description of Eruptions4
1.the greatest			The island was almost
one of recent			completely____
years	____	____	____. The noise of
			the explosion  was
			heard ____miles
			away.
2.the one			A volcanic5 mountain
which was			____feet high and
formed very			____feet across was
quickly	____	____	formed from level
			ground in____
			____.
3.the one			About ____people
which was			were killed.
very de-
structive	____	____
4.the most			Some neighbouring
famous one			____were____
of ancient			under huge amounts
times	____	____	of ash.

 

1 eruption   

n.火山爆发；（战争等）爆发；（疾病等）发作

参考例句：

• The temple was destroyed in the violent eruption of 1470 BC.庙宇在公元前1470年猛烈的火山爆发中摧毁了。
• The eruption of a volcano is spontaneous.火山的爆发是自发的。

2 crater   

n.火山口，弹坑

参考例句：

• With a telescope you can see the huge crater of Ve-suvius.用望远镜你能看到巨大的维苏威火山口。
• They came to the lip of a dead crater.他们来到了一个死火山口。

3 lava   

n.熔岩，火山岩

参考例句：

• The lava flowed down the sides of the volcano.熔岩沿火山坡面涌流而下。
• His anger spilled out like lava.他的愤怒像火山爆发似的迸发出来。

4 eruptions   

n.喷发，爆发( eruption的名词复数 )

参考例句：

• There have been several volcanic eruptions this year. 今年火山爆发了好几次。 来自《简明英汉词典》
• Over 200 people have been killed by volcanic eruptions. 火山喷发已导致200多人丧生。 来自辞典例句

5 volcanic   

adj.火山的；象火山的；由火山引起的

参考例句：

• There have been several volcanic eruptions this year.今年火山爆发了好几次。
• Volcanic activity has created thermal springs and boiling mud pools.火山活动产生了温泉和沸腾的泥浆池。