下面哪两药合用，善宣肺降气，止咳平喘，治咳喘气逆功著，证属风寒束肺者尤宜()A．麻黄

 WebSQL is a SQL-like (1)language for extracting information from the web. Its capabilities for performing navigation of web (2)make it a useful tool for automating several web-related tasks that require the systematic processing of either all the links in a(3),all the pages that can be reached from a given URL through (4)that match a pattern,or a combination of both. WebSQL also provides transparent access to index servers that can be queried via the Common (5)Interface.

空白（2）处应选择（）

A.browsers

B.servers

C.hypertexts

D.clients

甲通过讲授、发布信息等方式多次宣扬极端主义，一些人由此加入恐怖活动组织，实施违法犯罪活动。甲涉嫌（）。

A.宣扬极端主义罪

B.煽动实施恐怖活动罪

C.帮助恐怖活动罪

D.利用极端主义破坏法律实施罪

简述钻进时造成钻孔复杂情况的因素。

简述宽带IP网络的关键技术。

表示均数的抽样误差大小的统计指标是（）。

A.标准差

B.方差

C.均数标准误

D.变异系数

E.极差