能够将文本框控件隐藏起来的属性是______。
参考答案:Visible
解析: Visible为隐藏属性,Hide为隐藏方法。
当x=6时,x的平方=______,2x=______;当x=______时,x的平方=2x.
The little trees I grew by myself is growing__________. [ ]
A. day and night
B. day after day
C. day by day
D. day and day