基础训练篇（22）
Dear Lifeline,
I shall be getting married (1)_______ August. My mother wants me to have a white wedding in (2)_________, because I am the only daughter, and she wants me to have the kind of wedding that she had. I, on the other (3)____________, should like to have a simple wedding (4)____________ a small party (5)______________ for immediate family and close friends. I don’t want my parents (6)___________ go to a lot of expense just for one day; I’d rather they spent the money (7)__________ things that my husband and I will need, that will last us for many years.
Do you agree (8) ____________ me that this is a (9)_____________ (reason) point of view ? Can you think of a way in which I might persuade my parents (10) _____________ think as I do?
Yours,
Money-Conscious
一个面积为S的矩形线圈在匀强磁场中以某一条边为转轴做匀速转动，磁场方向与转轴垂直．线圈中感应电动势e与时间t的关系如图所示．感应电动势的峰值和周期可由图中读出．则磁感应强度B= ；在t=T/12时刻，线圈平面与磁感应强度的夹角等于 ．
