过敏性紫癜与变应性皮肤血管炎最重要的鉴别是（）
A.病程
B.前驱症状
C.皮损特点
D.发病年龄
E.受累脏器
参考答案：C
选用方框中所给词的适当形式填空，完成句子。
1. The U2 band gave a very _______ performance last night.
2. It is _______ that so many young players are coming into our team.
3. This is the _______ in the shop, it’s only 30 yuan..
4. Tom got good grades in the exam, his mother made a _______ meal to celebrate it.
5. If you tell him the news, you will see an _______ expression on her face.
妊娠期贫血
