皮肤分哪几种类型？
参考答案：干性皮肤，中性皮肤，油性皮肤，混合性皮肤敏感性皮肤。
（）是实现高速行车的重要关键技术之一。
—________ the little girl looks!
—That's true. She can't find her Teddy Bear. [ ]
A. How sad
B. What sad
C. What sadly
D. How sadly
