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Can earthquake be predicted? Scientists are (1)_____ programs to predict where and when an earthquake will occur. They hope to (
Can earthquake be predicted? Scientists are (1)_____ programs to predict where and when an earthquake will occur. They hope to (
admin
2009-04-27
49
问题
Can earthquake be predicted? Scientists are (1)_____ programs to predict where and when an earthquake will occur. They hope to (2)_____ an early warning system that can be used to (3)_____ earth-quakes so that lives can be saved. The scientists who are (4)_____ this work is called seismologists. The word seismologist is (5)_____ from the Greek word seismos, meaning earthquake.
Earthquakes are the most dangerous and (6)_____ of all natural events. They occur in many parts of the world. Giant earthquakes have been (7)_____ in Iran, China, India, Alaska, and so on. Two of the biggest earthquakes that were ever recorded (8)_____ in China and Alaska, which measured about 8.5 on the Richter Scale. The Richter Scale was (9)_____ by Charles Richter in 1935, and compares the energy (10)_____ of earthquakes. An earthquake that measures a 2 on the scale can be felt but causes (11)_____ damage. One that measures 4.5 on the scale can cause slight damage, and an earth-quake that has a reading of over 7 can cause (12)_____ damage. It is important to note that a reading of 4 indicates a quake ten times as strong as one with a reading of 3. How do earthquakes occur? Earthquakes are caused by the shifting of rocks along cracks, or faults, in the earth’s crust. The (13)_____ is produced when rocks near each other are pulled (14)_____ different directions.
Earthquake (15)_____ is in its infancy. Scientists have only a (16)_____ understanding of the physical (17)_____ that cause earthquakes. Much more research has to be done. New and more up-to-date (18)_____ have to be found for collecting earthquake data and analyzing it. (19)_____, seismologists have had some success in predicting earthquakes. Several small earthquakes were predicted. While this is a small start, it is (20)_____ a beginning.
选项
A、Furthermore
B、Moreover
C、Therefore
D、However
答案
D
解析
逻辑衔接题。本段前半部分一直在谈论地震预测方面存在的不足,科学家对地震过程还不完全清楚,还需要做更多的研究,还需要找出收集分析地震数据的新方法。本句指出:地震学家们在地震预测方面取得了一些成就。很容易看出这两部分之间是转折关系,故选用表示转折关系的副词however。furthermore表示递进关系;moreover也表示递进关系;therefore表示因果关系。这三个选项与原文中的逻辑关系不符,故排除。
转载请注明原文地址:https://kaotiyun.com/show/MPa4777K
0
考研英语一
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