题目内容

WebSQL is a SQL-like (26) language for extracting information from the weB. Its capabilities for performing navigation of web (27) make it a useful tool for automating several web-related tasks that require the systematic processing of either ail the links in a (28) , all the pages that can be reached from a given URL through (29) that match a pattern, or a combination of both. WebSQL also provides transparent access to index servers that can be queried via the Common (30) Interface. (28)是()

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

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Consumption of the total life-cycle effort in software maintenance is ______ that in software development.

A. less than
B. larger than
C. equal Or less than
D. equal or larger than

A ______ infected computer may lose its data.

A. file
B. database
C. virus
D. program

You are a project manager for a small project. Your project was budgeted for ¥500,000 over a six-week perioD. As of today, you’ve spent ¥260,000 of your budget to complete work that you originally expected to cost ¥280,000. According to your schedule, you should have spent ¥300,000 by this point. Based on these circumstances, your project could be BEST described as ______

Ahead of schedule
B. Behind schedule
C. On schedule
D. Having not enough information provided

Melissa and LoveLetter made use of the trust that exists between friends or colleagues. Imagine receiving an (6) from a friend who asks you to open it. This is what happens with Melissa and several other similar email (7) . Upon running, such worms usually proceed to send themselves out to email addresses from the victim’address book, previous emails, web pages (8) . A. cracker B. user C. customer D. client

As administrators seek to block dangerous email attachments through the recognition of well-known (9) , virus writers use other extensions to circumvent such protection. Executable(.exe)files are renamed to .bat and .cmd plus a whole list of other extensions and will still run and successfully infect target users.
B. Frequently, hackers try to penetrate networks by sending an attachment that looks like a flash movie, which, while displaying some cute animation, simultaneously runs commands in the background to steal your passwouds and give the (10) access to your network.

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