根据短文理解，选择正确答案。

Down by the salley gardens

my love and I did meet;

She passed the salley gardens

with little snow-white feet.

She bid (请求) me take love easy,

as the leaves grow on the tree;

But I, being young and foolish(傻的),

with her would not agree.

In a field by the river

my love and I did stand,

And on my leaning shoulder(肩膀)

she put her snow-white ______.

She bid me take life easy,

as the grass grows on the weirs(河堰);

But I was young and foolish,

and now am full of tears(眼泪).

酵母菌可以分解淀粉产生酒精，生活中用于酿酒。

根据句意及汉语或首字母提示完成单词

两个固定的等量异号点电荷所产生电场等势面如图中虚线所示，一带负电的粒子以某一速度从图中A点沿图示方向进入电场在纸面内飞行，最后离开电场，粒子只受静电力作用，则粒子在电场中（   ）

已知：如图，ON是∠AOC的平分线，OM是∠AOB的平分线．