People will not fall off the earth because the earth is round. AT BF Gravity holds everything to the earth. AT BF答案 1. 根据The earth is big. It is a big round ball.知道本句正确。 2. 根据最后一段知道是重力的作用,而不是因为地球是圆的。 3. 根据最...
If you turn something around your head on a string (细绳) ,it goes around in a circle until you let go of the string. Then it flies off in a straight line. “Switching off” gravity would be like letting go of the string. Things not attached to the Earth would fly off in a ...
adbcabcdbaadaa,5,If the earth is aball,why don’It we fall off?The reason (理由)is 1 there is gravity(引力).Gravity is 2 strange force(力).When you slip(滑倒) on something,you never 3 into the air ,but instead,you always fall 4 the ground.Things fall to the earth ...
3 The gravity on the earth is much ___ that on the moon, do you know why? A.as strong as B.strong than C.so strong than D.stronger than 4求老师解答:The gravity on the e The gravity on the earth is much ___ that on the moon,do you know why? [ ] A.as strong as ...
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The gravity on the earth is much ___ that on the moon, do you know why? [ ] A. as strong as B. strong than C. so strong than D. stronger than 试题答案 在线课程 D 练习册系列答案 玩加学假期生活暑系列答案 暑假计划兰州大学出版社系列答案 世超...
Supposing we could magically turn off gravity.Would buildings and other structures(建筑物) float away?What happened would depend on how strongly the things were attached to the Earth.The Earth is moving at quite a speed,moving at over a thousand miles per hour.If you turn something around you...
We do not deny the importance of studying, practice is more important than learning. Just like gravity principle, you can explain why the Earth's gravity is gravity? Application 翻译结果4复制译文编辑译文朗读译文返回顶部 But those who have built the high-rise buildings, like Newton did not like...
二、阅读理解(A Have you ever wondered?1. Why do airplanes take longer to fly west than east?It can take five hours to go west-east from New York(NY) to London but seven hours to travel east-west from London to NY. The reason for the difference is an atmospheric phenomenon(大气现象)...
2 What would happen if the gravity on Earth was suddenly turned off? Supposing we could magically turn off gravity. Would buildings and other structures float away? What happened would depend on how strongly the things were attached to the Earth. The Earth is moving at quite a speed moving ...