增加：在缺词处加一个漏字符号（∧），并在其下面写出该加的词。

删除：把多余的词用斜线（\）划掉。

修改：在错的词下划一横线，并在该词下面写出修改后的词。

注意：1）每处错误及其修改均仅限一词；2）只允许修改10处，多者（从第11处起）不计分。

    I feel very lucky to have an English teacher like Jane. Though she is strict in us, we all like her. Not only does she teach us a lot of knowledges about English, but she has very good sense of humor. One day, she tells us that day's homework was optional, that meant we were free to choose whether to do it or not. On the next day, she asked whomever had done the homework to raise hands. Seen a few hands were up, she said, “all right, let's to turn to the page and see what your homework is.” When we turned to that page, some faces turned red immediate. That was a blank sheet of paper. What a smart way to test my honesty.

紫色企鹅的羽毛颜色是由复等位基因决定的：P^d –-深紫色、P^m –-中紫色、P^l–-浅紫色 、P^vl–-很浅紫色（近于白色）。其显隐性关系是：P^d>P^m >P^l>P^vl（前者对后者为完全显性）。若有浅紫色企鹅（P^lP^vl）与深紫色企鹅交配，则后代小企鹅的羽毛颜色和比例可能是（）

抛物线C₁： $y=\frac{1}{2p}{x}^2\left(p＞0\right)$ 的焦点与双曲线C₂： $\frac{x^2}{3}-y^2=1$ 的右焦点的连线交C₁于第一象限的点M．若C₁在点M处的切线平行于C₂的一条渐近线，则p=（   ）