以下一般不引起脾大的疾病是（） A.再生障碍性贫血 B.败血症 C.病毒性肝炎 D.

职工的养老保险费属于（）。

A．规费

B．措施费

C．人工费

D．企业管理费

将胶片用纸包好，置于盛有石灰的干燥箱中目的是（）

A.适当缩短干燥时间

B.利于内部水分向外扩散

C.防止发霉

D.促进胶片内部的蛋白质水解

E.除去胶剂的腥味

局域网的网络硬件主要包括服务器、工作站、网卡和

A．传输介质

B．连接设备

C．网络协议

D．网络拓扑结构

会计资料包括会计凭证、会计账簿、财务会计报告和其他会计资料。

While working on an external project your customer asks you to perform some additional tasks that are not included in the formal contract．You should （）.

A．honor the customer's request as sign of cooperation to ensure future business

B．refuse the request and report the customer to your sponsor

C．acknowledge the request and advise the customer to submit a formal change request

D．convene a meeting of the project team and rewrite the scope statement