1. [单选题]根据以下选项，回答 99～100 题：
A. 头痛伴剧烈呕吐
B. 头痛伴眩晕
C. 头痛伴视力障碍
D. 头痛伴癫痫
E. 头痛伴意识障碍
F. 第 99 题 青光眼（ ）
2. [单选题]In line with the passage, if you don't like to write a letter, it's simply because ______.
A. you are lazy enough
B. you are busy enough
C. you haven't found the advantages of letters
D. you can't afford too many letters
3. [单选题]血小板正常值是 （ ）
A. (100～300)×109/L
B. (100～400)×109/L
C. (150～350)×109/L
D. (100～350)×109/L
E. (150～300)×109/L
