earth processes. The study of this environment (ranging from changesinthe earth’smagnetic fieldtoplate tectonics) using for example, geophysical and geodynamical techniques, [...] unesdoc.unesco.org unesdoc.unesco.org 地球表面,包括我们的生存环境,都是地球内部运动的结果,受地球内部运动的控 制,利用...
The Earth's magnetic field ___ constantly changing. A. is B. was C. will be D. would be 相关知识点: 试题来源: 解析 A。本题考查现在进行时态。“地球的磁场在不断变化”表示现阶段正在进行的动作,所以用现在进行时态 is constantly changing。反馈 收藏 ...
The Earth’s magnetic field. 选择语言:从中文简体中文翻译英语日语韩语俄语德语法语阿拉伯文西班牙语葡萄牙语意大利语荷兰语瑞典语希腊语捷克语丹麦语匈牙利语希伯来语波斯语挪威语乌尔都语罗马尼亚语土耳其语波兰语到中文简体中文翻译英语日语韩语俄语德语法语阿拉伯文西班牙语葡萄牙语意大利语荷兰语瑞典语希腊语捷克语丹麦语...
begun to Change to it’s opposite direction C. caused the changes on the polarities D. been weakening it’s strength for a long time 相关知识点: 试题来源: 解析 B 正确答案:B 解析:本题考查考生的理解能力,根据原文内容“During a reversal,the main field weakens, almost vanishes,and re...
The Earth magnetic field is not being assisted, it is being twisted into compliance with the magnetic field of Planet X. 地球的磁场并没有得到帮助,而是正在被扭曲,以顺从行星X的磁场。 hi.baidu.com 4. Application of a new magnetoresistance sensor for measuring the earth-magnetic field 新型磁阻传感...
The earth has a magnetic field. What does the magnetic field do? A. Makes the earth spin B. Attracts iron and steel C. Makes the sun shine D. Helps plants grow 相关知识点: 试题来源: 解析 B。本题考查对地球磁场作用的了解,地球磁场能吸引铁和钢。A 选项地球自转不是磁场的作用;C 选项...
根据原文内容填空磁场The earth's magnetic field(磁场)exists everywherein our life, but we cannot see, feel, hear or touch. Deepin the earth, there is a very hot liquid(液体). As itmoves around, it develops magnetism. It surrounds theearth with a powerful magnetic field. If the earth's...
A. and B. but C. or D. so 相关知识点: 试题来源: 解析 D。“The earth has a magnetic field”(地球有磁场),“it can protect us from harmful solar radiation”(它可以保护我们免受有害的太阳辐射),前后为因果关系,所以用 so。反馈 收藏 ...
the earth's magnetic field requires the specification of three elements for a complete statement of its magnitude and direction at an point .a commom combination comprises the vertical component .z,the horizontal component .h ,and the declination. d, which is the angle between the direction of...
According to the passage, the Earth’s magnetic field has ___. A.begun to change in the opposite directionB.been weakening in strength for a long timeC.caused the changes on the polaritiesD.misguided many a man and animal 相关知识点: 试题来源...