We can't see the moon when the sun is shinging on the side of the moon that faces __from us.

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• Do you know anything about the moon?The moon is __31____than the earth,but the sun is ___32___ bigger than the earth .The moon is __33__ from the earth.It’s 380 000 kilometres away.On the earth we see that the moon __34___like a cake .There is _35____air on the moon,___36 ___there is no living things there.The si de of the moon towards（朝,向）the s un is very hot,while the other side is ver y __37____.People can jump__38__ on t he moon than on the earth
• 英语翻译The sun shines because it is made of glowing gases.It gives off its own light.The moon shines too,but it doesn't give off any light of its own.We can see the moon only because it reflects light from the sun.The moon travels around the earth about every twenty-nine days.During this time,the moon looks as if it changes size and shape.It seems to grow form a small part of a shining circle into a full circle.Then it becomes small again.The moon doesn'
• We can't see the moon when the sun is shinging on the side of the moon that faces __from us.
• 如图所示，光滑的1/4圆弧轨道AB固定在竖直平面内，轨道的B点与水平面相切，其半径为OA=OB=R．有一小物体自A点由静止开始下滑到B点，然后沿水平面前进S，到达C点停止，当地的重力加速度为g．试求：（1）物体到达B点时的速率；（2）物体与水平面之间的动摩擦因数．
• 如图所示，光滑的1/4圆弧轨道AB固定在竖直平面内，轨道的B点与水平面相切，其半径为OA=OB=R．有一小物体自A点由静止开始下滑到B点，然后沿水平面前进S，到达C点停止，当地的重力加速度为g．试求：（1）物体到达B点时的速率；（2）物体与水平面之间的动摩擦因数．