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【单选题】
一高一低的警笛声,一闪一闪的警号灯容易引起人的无意注意,有很好的警报作用,其原因是刺激物___较明显。
A.
新异程度
B.
活动变化状态
C.
强度
D.
对比程度
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参考解析：
知识点：
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【单选题】Most earthquakes occur within the upper 15 miles of the earth's surface. But earthquakes can and do occur at all depths to about 460 miles. Their number decreases as the depth increases. At about 460 ...
A.
The number of earthquakes is closely related to depth.
B.
Roughly the same number of earthquakes occur each year.
C.
Earthquakes are impossible at depths over 460 miles.
D.
Earthquakes are most likely to occur near the surfaces.
查看完整题目与答案
【单选题】It is difficult to accurately predict earthquakes because______.
A.
earthquakes may take place anywhere, anytime
B.
earthquakes may happen unexpectedly under the sea
C.
earthquakes may take place while people are asleep
D.
the taking place of earthquakes involves many factors
查看完整题目与答案
【简答题】A．Tsunamis are caused by underwater earthquakes. B．Earthquakes of about magnitude 6.75 on the Richter scale will cause tsunamis. C．Nearly 90 percent of underwater earthquakes cause tsunamis. D．Not all...
查看完整题目与答案
【单选题】Most tsunamis are triggered by earthquakes beneath the sea and only a few by earthquakes along coastlines.
A.
Y
B.
N
C.
NG
查看完整题目与答案
【简答题】阅读理解。 Earthquakes are the shaking, rolling or sudden shock of the earth's suce. Earthquakes happen along 'fault lines' in the earth's crust. Earthquakes can be felt over large areas although they u...
查看完整题目与答案
【单选题】胃的上皮来源于
A.
内胚层
B.
外胚层
C.
胚内中胚层
D.
胚外中胚层
E.
以上都不是
查看完整题目与答案
【单选题】Most earthquakes occur within the upper 15 miles of the earth’s surface. But earthquakes can and do occur at all depths to about 460 miles. Their number decreases as the depth increases. At about 460 ...
A.
The number of earthquakes is closely related to depth.
B.
Roughly the same number of earthquakes occur each year.
C.
Earthquakes are impossible at depths over 460 miles.
D.
Earthquakes are most likely to occur near the surfaces.
查看完整题目与答案
【单选题】What is the talk mainly about?
A.
Earthquakes and their effects.
B.
How earthquakes take place.
C.
The classification of earthquakes.
D.
The damaging results of earthquakes.
查看完整题目与答案
【简答题】( 将材料打乱并不断重新拼凑的构思方式,就是综合 。) 判断这一观点之正确或错误原因的 详细 分析( 分析的过于简单会酌情减分 )。
查看完整题目与答案
【简答题】What Causes Earthquakes? People have tried to explain the cause of earthquakes since earliest times. Some people thought that quakes were sent from heaven to punish the wicked. Others believed that th...
查看完整题目与答案
相关题目：
【单选题】Most earthquakes occur within the upper 15 miles of the earth's surface. But earthquakes can and do occur at all depths to about 460 miles. Their number decreases as the depth increases. At about 460 ...
A.
The number of earthquakes is closely related to depth.
B.
Roughly the same number of earthquakes occur each year.
C.
Earthquakes are impossible at depths over 460 miles.
D.
Earthquakes are most likely to occur near the surfaces.
查看完整题目与答案
【单选题】It is difficult to accurately predict earthquakes because______.
A.
earthquakes may take place anywhere, anytime
B.
earthquakes may happen unexpectedly under the sea
C.
earthquakes may take place while people are asleep
D.
the taking place of earthquakes involves many factors
查看完整题目与答案
【简答题】A．Tsunamis are caused by underwater earthquakes. B．Earthquakes of about magnitude 6.75 on the Richter scale will cause tsunamis. C．Nearly 90 percent of underwater earthquakes cause tsunamis. D．Not all...
查看完整题目与答案
【单选题】Most tsunamis are triggered by earthquakes beneath the sea and only a few by earthquakes along coastlines.
A.
Y
B.
N
C.
NG
查看完整题目与答案
【简答题】阅读理解。 Earthquakes are the shaking, rolling or sudden shock of the earth's suce. Earthquakes happen along 'fault lines' in the earth's crust. Earthquakes can be felt over large areas although they u...
查看完整题目与答案
【单选题】胃的上皮来源于
A.
内胚层
B.
外胚层
C.
胚内中胚层
D.
胚外中胚层
E.
以上都不是
查看完整题目与答案
【单选题】Most earthquakes occur within the upper 15 miles of the earth’s surface. But earthquakes can and do occur at all depths to about 460 miles. Their number decreases as the depth increases. At about 460 ...
A.
The number of earthquakes is closely related to depth.
B.
Roughly the same number of earthquakes occur each year.
C.
Earthquakes are impossible at depths over 460 miles.
D.
Earthquakes are most likely to occur near the surfaces.
查看完整题目与答案
【单选题】What is the talk mainly about?
A.
Earthquakes and their effects.
B.
How earthquakes take place.
C.
The classification of earthquakes.
D.
The damaging results of earthquakes.
查看完整题目与答案
【简答题】( 将材料打乱并不断重新拼凑的构思方式,就是综合 。) 判断这一观点之正确或错误原因的 详细 分析( 分析的过于简单会酌情减分 )。
查看完整题目与答案
【简答题】What Causes Earthquakes? People have tried to explain the cause of earthquakes since earliest times. Some people thought that quakes were sent from heaven to punish the wicked. Others believed that th...
查看完整题目与答案