关于施工现场保护系统的选择，下列说法哪一种不正确（） A.施工现场专用的工作接地供电

将6.5克锌投入200mL某浓度的盐酸中，锌完全反应，反应前后溶液的体积不变。请用详细的过程，

求：

(1) 反应中生成的H₂在标准状况下的体积；

(2) 取反应后的溶液20mL，加入足量的AgNO₃溶液，生成白色沉淀5.74克，求原盐酸中HCl的物质的量

浓度。

下列哪一疾病的确诊主要依靠淋巴结病理活检（）

A.恶性组织细胞病

B.恶性淋巴瘤

C.脂质代谢障碍性疾病

D.毛细胞白血病

E.骨髓纤维化

用所给词的适当形式填空。

1. The exams are in July, but the ______ (actually) results don't appear until September.

2. It becomes warm _______ (gradual).

3. It is generally thought that traveling abroad can ______ (rich) one's knowledge.

4. He is poor at _______ (spell).

5. I'll speak with her _______ (late).

6. The _______ (identify) of the accident victims took some time.

7. He comes to visit me _______ (frequent).

8. He wrote her a poem as an _______ (express) of his love.

9. It is ______ (request) that all members be present at the party.

10. We've agreed on _______ (Spanish) for our holiday next year.

( )是指导一个拟建工程进行施工准备和组织施工的基本技术经济文件。

A．施工组织设计

B．施工图

C．施工进度控制报告

D．施工合同

热力烧伤的病理改变主要取决于()

A．患者体质

B．致伤的热源强度

C．致伤因素

D．热源接触组织的时间

E．伤后处理是否正确