运用大数据进行大治理要做到（）。 A.用数据管理 B.用数据决策 C.用数据创新 D

对于任何有理数a，下列各式中一定为负数的是（　　）

A．-（-3+a）

B．-a

C．-|a+1|

D．-|a|-1

Information systems design is defined as those tasks that focus on the specification of a detailed computer-based solution. Typically, there are four systems design tasks for in-house development.

1) The first task is to specify (71) ,which defines the technologies to be used by one, more, or all information systems in terms of their data, processes, interfaces, and network components. This task is accomplished by analyzing the data models and process models that are initially created during requirements analys16.

2) The next systems design task is to develop the (72) . The purpose of this task is to prepare technical design specifications for a database that will be adaptable to future requirements and expansion.

3) Once the database prototype has been built, the systems designer can work closely with system users to develop input, output and dialogue specifications. The (73) must be specified to ensure that the outputs are not lost, misrouted, misused, or incomplete.

4) The fourth design task involves packaging all the specifications from the previous design tasks into a set of specifications that will guide the (74) activities during the following phases of the systems development methodology.

Finally, we should (75) and update the project plan accordingly. The key deliverable should include a detailed plan for the construction phase that should follow.

（72）处应填（）。

A．database design specifications

B．database organization decisions

C．data structure specifications

D．data distribution decisions

以下关于丝竹空穴主治作用的叙述，不正确的是（）

A.目赤肿痛

B.眩晕

C.牙痛

D.耳聋

E.癫痫

男，45岁，酗酒后8h出现中上腹疼痛，放射至两侧腰部，伴恶心、呕吐。体检：腹部有压痛、肌紧张及两侧腰腹部出现蓝棕色斑，血压75/55mmHg，脉搏110/min。

如果行诊断性腹腔穿刺，穿刺液中下列哪项指标明显升高可能性最大（）

A.白细胞

B.红细胞

C.淀粉酶

D.胆酸

E.胆红素

常用的热酸试剂是（）。