What causes the seasons on Earth? A. The rotation of the Earth. B. The revolution of the Earth. C. The tilt of the Earth's axis. D. The distance from the sun. 相关知识点: 试题来源: 解析 C。地球四季是由地球自转轴的倾斜导致的,A 选项地球自转不会引起四季变化,B 选项地球公转是四...
What causes the seasons on Earth? A. The rotation of the Earth B. The revolution of the Earth around the Sun C. The moon's gravity D. The wind 相关知识点: 试题来源: 解析 B。解析:地球围绕太阳的公转引起季节变化。文章中讲解了地球的运动和季节的关系。选项 A 地球的自转产生昼夜交替。选项...
What causes seasons on Earth? A. The rotation of the earth. B. The revolution of the earth. C. The tilt of the earth's axis. D. The distance from the sun. 相关知识点: 试题来源: 解析 C。地球的四季是由地球自转轴的倾斜造成的,所以答案是 C。A 选项地球的自转产生昼夜交替;B 选项地...
What causes the seasons on the earth? A. The distance between the earth and the sun. B. The rotation of the earth. C. The tilt of the earth's axis. D. The revolution of the moon around the E. arth. 相关知识点: 试题来源: ...
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What causes the tides on Earth? A. The rotation of the Earth B. The revolution of the Earth around the sun C. The gravitational pull of the moon and the sun D. The shape of the ocean basins 相关知识点: 试题来源: 解析 C。地球上潮汐的产生是由于月球和太阳的引力作用,选项 C 正确。
What causes the rise in temperature on the Earth? A. More trees B. Fewer cars C. Greenhouse effect D. Clean air 相关知识点: 试题来源: 解析 C。本题考查导致地球温度上升的原因。选项 A“More trees”(更多的树)有助于降低温度;选项 B“Fewer cars”(更少的汽车)会减少排放,对温度上升有抑制...
It causes us unbearable pain, and some even take away our precious lives, leaving scars on the hearts of our parents that will never be erased by our mother. 在这个时代,你看到的天空将不会是湛蓝的了。它现在在一个垃圾笼罩的`环境下。白色的垃圾随处可见,可行人对这些垃圾都置之不理。这时地球...
(A)What causes earthquakes?IN the past month, Chile, Japan, Indonesia, Taiwan and Turkey have all experi-enced 6-plus magnitude(量级) earthquakes. Some people worry that the world is experi-encing large earthquakes at a greater rate. But experts say these earthquakes are natural.About 500,...
There are still many problems of environmental protection in recent years. One of the most serious problems is the serious pollution of air, water and soil. the polluted air does great harm to people’s health. The polluted water causes diseases and death. What is more, vegetation had been ...