注释：
1．Burma: 缅甸
2．the Alps: 阿尔卑斯山
3．landslide: 滑坡
4．he Richter Scale: 里氏震级
5．he highest scale recorded to date is 8.9．：迄今为止记录到的最高震级为8.9 to date:迄 今为止；到此为止。如：To date we have received more than a hundred applications.到此刻为止，我们收到了一百多份申请书。
练习：
1．Paragraph2
A Earthquake’s Forecast
2．Paragraph 3
B Historical Records of Earthquakes
C Intensities of Earthquakes
3．Paragraph 4
D Cause of Eathquakes
E Indications of Earthquqakes
4．Paragraph 5
F Damaging Earthquakes
5．Not all damage during an earthquake is causea (by)
6．Not all earthquakes are strong enough (to do) .
7．Scientists have been working hard to warn people (of against)
8．Earthquakes can be predicted by observing ( 缺宾语 )
| A | by the quake itself |
| B C D | not De preventeci to cause damage of property and loss of lives of a possiole eartnquake |
| E | the unusual behaviors of some animials |
| F | the strong behaviors ofhuman beings |
答案与题解：
1．C 本段简述在里氏震级表上反映出来的不同震级。
2．D 本段简述了地震的起因。
3．A 本段介绍了科学家为预报地震所做的一些工作。
4．E 本段介绍了震前可能会出现的一些异常情况。
5．A 句中的被动语态...is caused提示可能会跟一个by短语。
6．C 形容词加上enough后面常会跟一个动词不定式，文中第二段也讲到有些地震震级不高， 不会造成重大破坏和伤亡。
7．D 动词warn后面或跟agamst，或跟of， 警告别人将有事情发生。
8．E 动词observing后面应该有一个宾语，故应选一个名词短语。人类的的行为变化跟地震并没有关系，因此F不是正确的选项。