有关对痛风的描述，不正确的是（）

A.痛风是－组异质性疾病

B.尿酸生成过多是导致高尿酸血症的主要因素

C.原发性痛风多有阳性家族史

D.痛风的病因可分为原发性和继发性

E.只有当高尿酸血症者出现临床表现时才称之为痛风

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.