患者外周血涂片示红细胞较小、中心淡染，RDW为18．6%，其最可能的诊断是（） A.

Li Xiang, a junior 2 student, wishes he never got a mobile phone. Last week, he went to see a doctor because there was something wrong with his arms and fingers. The doctor told him that he had “mobile phone disease(疾病)”. Now, more and more teenagers are getting “mobile phone disease” __ 78__of using mobile phones.

Li Xiang got his mobile phone six months __79__. He __80__ messages to his friends with it all the time, even when going to bed. Li Xiang started to do badly in exams because he spent too much time __81__ mobile phone games. His mom felt very __82__ about him, but he didn’t stop playing with the mobile phone __83__ his arms got injured（受伤）.

Yang Ling, a doctor, says that if someone plays his mobile phone too __84__, like Li Xiang, he will get “mobile phone disease”. If teenagers find their arms or fingers hurt (疼痛), they should go to see a doctor as soon as __85__. Yang says teenagers should try to use their mobile phones less, especially at school.

以下关于变量作用域的叙述中，正确的是（ ）。

A． 窗体中凡被声明为Private的变量只能在某个指定的过程中使用

B． 全局变量必须在标准模块中声明

C． 模块级变量只能用Private关键字声明

D． Static类型变量的作用域是它所在的窗体或模块文件

(由单选或多选组成。)

本办法第十条关于保证合同的主要条款中还应增加的条款有( )。

A．被保证人主债权的数额

B．保证人的财产状况

C．债务人履行债务的期限

D．债务人的财产状况

先天性畸形所致脑积水的病因有_________、_________、_________等。