单选题 WebSQL is a SQL-like (76) language for extracting information from the web. Its capabilities for performing navigation of web (77) make it a useful tool for automating several web-related tasks that require the systematic processing of either ail the finks in a (78) , all the pages that can be reached from a given URL through (79) that match a pattern, or a combination of both. WebSQL also provides transparent access to index servers that can be queried via the Common (80) Interface.

单选题 A. hypertext B. page C. protocol D. operation

A
B
C
D

【正确答案】 B

【答案解析】

单选题 A. paths B. chips C. tools D. directories

A
B
C
D

【正确答案】 A

【答案解析】

单选题 A. Router B. Device C. Computer D. Gateway

A
B
C
D

【正确答案】 D

【答案解析】

单选题 A. browsers B. servers C. hypertexts D. clients

A
B
C
D

【正确答案】 C

【答案解析】

单选题 A. query B. transaction C. communication D. programming

A
B
C
D

【正确答案】 A

【答案解析】