阅读短文，选择正确的答案。
    My school is very big and very beautiful. You can see some beautiful grass and flowers in the garden. In summer, we can fly kites and play sports on the playground. There is a big library in my school. In the library, you can read many interesting books. I like it very much.
I love my school very much. Welcome to my school.

俄罗斯的主要农业地带分布在（   ）

日本右翼势力无视历史，企图否认其所犯侵华罪行。下列选项中最能批驳日本篡改教科书之错误的实例是(　　)

41届世界博览会，于2010年5月1日至10月31日在上海市举行。某小学计划9月11日全体师生参观世博园。据此回答下列三题。

一有固定斜面的小车在水平面上做直线运动,小球通过细绳与车顶相连.小球某时刻正处于如图所示状态.设斜面对小球的支持力为N,细绳对小球的拉力为T,关于此时刻小球的受力情况,下列说法正确的(    )