雀斑皮损部位（）未见增多，黑色素细胞内（）增加。
参考答案：
黑素细胞数目；黑素小体
下列词语中用来形容气候的是[ ]
A．暴风骤雨
B．风和日丽
C．雨过天晴
D．终年寒冷
Questions 1-4
What did the man and the woman do last week？（）
A．They bought some worthless souvenir.
B．They did some manual work.
C．They went on a company trip.
D．They wrote a guidebook.
