主要累及真皮浅层小血管及毛细血管的过敏性、炎症性皮肤病，皮损多形性的是（）。

A.过敏性紫癜

B.变应性皮肤血管炎

C.结节性红斑

D.白塞综合征

E.色素性紫癜性皮病

根据句意和汉语提示，用适当的短语补全句子。

1.Today our English teacher ________________(看上去很严肃).

2. Now my brother ________________(对……更感兴趣) playing basketball.

3. He is only a child. Of course he                (对……感到害怕) being alone.

4. Both my brother and sister are ______________(学校乒乓球队队员).

5. We were unable to ___________(入睡) last night because of the noise outside.