sheet /?i?t/ n.（一）张；（一）片，薄片
scrap /skr?p/ n. 碎片，小块
stack /st?k/ n.（一）摞，（一）堆
pile /pa?l/ n. 摞，堆 v. 堆积
会话急救包
在纸上画画 draw a picture on paper
A：Lisa, I drew a picture on the paper. You want to have a look?
丽莎，我在纸上画了一幅画。你想看看吗？
B：OK. Wow, not bad! You impressed me.
好的。哇，画得不错！你让我刮目相看啊。
impress /?m?pres/ v. 使钦佩；使敬仰，给人留下深刻印象
在纸上写字 write words on paper
A：Who wrote these words on the paper?