给下面句子加上恰当的标点。
____聋子____妹妹惊叫起来____聋子____多么荒唐____她是音乐学院最有声望的教授____曾是乐团的首席小提琴手____你竟说她是聋子____
下列所述的物态变化中，属于液化现象的一组是（ ）①吃冰棒解热；②烧开水时冒“白气”；③夏天湿衣服晾干.④冬天，戴眼镜的人从室外进入温暖的室内，镜片上出现一层雾
The skirt ________ is made of silk is very expensive. I can't afford it.
