“平均地权”、”耕者有其田”的主张由孙中山最先提出，但在民主革命时期卓有成效付诸实施的是***。这主要取决于后者

一个电流表的满偏电流Ig=1mA．内阻为300Ω，要把它改装成一个量程为10V的电压表，则应在电流表上（   ）

阅读短文，判断正确还是错误。

A letter

Here is a letter from Jim to his friend in the USA

Dear Lily:

    I am in China now. I go to school five days a week. The school and the food are good here. I have some Chinese friends. They are all very friendly to me. On Saturdays and Sundays we stay at home. In the afternoon we play games. My Chinese friends like English very much. They ask me to teach them English and they teach me Chinese. I like staying here.

    Please write soon!

已知OA=3cm，以O为圆心，3cm为半径作⊙O，则点A与⊙O的位置关系是（　　）