根据句意及汉语提示完成单词。

1. Peter is from New York and he's ____ (美国人).

2. Yang Liwei's ____ name (名) is Liwei.

3. My teacher is writing on the ____ (黑板).

4. There are ____ (五十) students in my class.

5. Ma Lin plays table tennis very well. He is ____ (二十九) years old.

患者，男，45岁。小便不畅，尿线变细或点滴而下，小腹胀满隐痛，舌质黯或有瘀点瘀斑，苔白或薄黄，脉弦或涩。治疗应首选（）

A.少腹逐瘀汤

B.石韦散

C.八正散

D.沉香散

E.以上都不是