我国将发射火星探测器——“萤火一号”，寻找火星生命的迹象是其任务之一。据下表回答

建筑安装工程人工费不包括（）。

A.工人计件工资

B.管理人员计时工资

C.工人加班工资

D.生产工人津贴

什么是木马

卤代烃的鉴定可用（）试验。

A.醋酸铜-联苯胺

B.甲醛-浓硫酸

C.醋酸铅

D.碘化钠-丙酮溶液

WebSQL is a SQL-like (71) language for extracting information from the web. Its capabilities for performing navigation of web (72) make it a useful tool for automating several web-related tasks that require the systematic processing of either all the links in a (73) , all the pages that can be reached from a given URL through (74) that match a pattern, or a combination of both. WebSQL also provides transparent access to index servers that can be queried via the Common (75) Interface.

A．query

B．transaction

C．communication

D．programming

自适应电台的9600ALE扫描信道共为：（）个。

A.3

B.10

C.60

D.30