根据短文内容判断正误，符合短文内容的写正确，不符合的写错误。

A Letter(—封信）

Dear Lucy,                                                                                                                                               Oct. 25

  How are you? I miss you so much. We have a new house now. It's near our school. I can go to school quickly. There is a library near our house. There are a lot of trees and flowers around(围绕)my house.

  Please come and visit us. If (如果) you get to the train station of our town, you can walk straight to the post office. Then turn left. My house is between the school and the park. I will welcome you warmly(热烈地).We can play together.

                                                                                                                                                                       Ann

地球绕太阳不停的旋转，这叫做地球的____，地球公转方向为____，公转一周的时间为____．

读某学校校园及周边环境平面图，学校教学楼东西向长度约为（　　）

如图所示，两个质量都是m的小球A、B用轻杆连接后斜放在墙上处于平衡状态．已知墙面光滑，水平地面粗糙．现将A球向上移动一小段距离．两球再次达到平衡，那么将移动后的平衡状态和原来的平衡状态比较，地面对B球的支持力N和轻杆上的压力T的变化情况是（   ）