My House
I am Jenny. Look! This is my house. What's in the house? Let me show you the rooms. This is the kitchen. Here is the bathroom. That is the living room. Here is my bedroom. That is Danny's bedroom. His bedroom is very nice.
下图显示了我国经济重心的南移过程,与图中的①相对应的朝代应该是( )
—Will you please go to see the movie with me?
—No, I won't. I __________ it already.
如图所示,重为100N的物体在水平面上向右运动,物体与水平面的动摩擦系数为0.2,与此同时物体受到一个水平向右的力F=10N,那么物体受到的合力为( )