将洋葱鳞片叶表皮放入一定浓度的硝酸钾溶液中，其细胞便发生质壁分离，不久，这些细胞自动

最早研究计划中各项活动在时间上的相互关系的方法是（）

A.时间网络分析

B.图表系统法

C.PERT分析

D.损益控制

对于持仓规模超过同时被套期保值项目规模规定比例的和持仓时间超过12个月的，相关单位应当在发生后（）个工作日向公司财务资产部报告。

A.1

B.2

C.3

D.5

肾病综合征小儿常见并发症是（）

A.原发性腹膜炎

B.低钠血症

C.低钙血症

D.肾静脉血栓

E.以上均是

(71) data effectively is crucial for success in today’s competitive environment. Managers must know how to use a variety of tools. Integrated data takes information from different sources and puts it together in a meaningful and useful way. One of the difficulties of this is the (72) in hardware and software. (73) integration uses a base document that contains copies of other objects. (74) integration uses a base document that contains the current or most recent version of the source document it contains. (75) provides an overview of the program written in" plain" English, without the computer syntax.

74（）

A．Linked

B．Pointed

C．Dynamic

D．Static

电缆和设备长期过负荷运行，促使绝缘老化导致（）故障。