下列属于慢性扁桃体炎并发症的是（）
A.扁桃体角化症
B.风湿性关节炎
C.扁桃体周脓肿
D.咽后壁脓肿
E.扁桃体肿瘤
参考答案：B
根据句意、汉语提示及首字母完成句子。
1. I put some tea l______ on the floor.
2. Everyone was very s______.
3. Lisa showed us some e______.
4. Jenny often ______(梳) her long hair in the morning.
5. We ______(站立) up, when teachers come in.
在三隅二不二的四种类型中那一种最有效：（）
A.P型
B.M型
C.PM型
D.pm型
.