长方形的面积一定，长和宽成正比例．______．（判断对错）
因为长方形的面积（一定）=长×宽，
所以长方形的长和宽成反比例．
故答案为：错误
________that I could use a special piece of cloth to attract people's attention, I decided to do an experiment.
A．Having realized
B．Realizing
C．Being realized
D．Realized
加入一条水平线的HTML代码是
A．hr
B．img src=name border=
C．img src=name align=
D．img src=name
