Which of the following maintenance is to improve the performance of the software product?
A、perfective maintenance
B、adaptive maintenance
C、corrective maintenance
D、none of the above
A、perfective maintenance
B、adaptive maintenance
C、corrective maintenance
D、none of the above
B.each ocean has different characteristics.
C.Ignorance of what’s behind people’s behaviour gives rise to ineffective communication
D.none of the above
B.The decision to produce its new edition is difficult
C.It fails to help its readers improve their thinking skills
D.Writing it is a kind of learning for the author herself
B.The Tibetans live in houses with flat roofs due to the dry weather and lack of rain.
C.The Tibetans welcome the guests with a snow-white hada and wish them a "zha-xi-de-le" meaning "good luck".
D.The Tibetans believe in Tibetan Buddhism.
B.Money
C.Profit seeking
D.The price mechanism
E.Scarcity
B.Customers often have to queue up
C.Customers can order by telephone
D.Their personal services are satisfactory
B.The fate of a thirteen-year-old Tokyo boy
C.The problem of school phobia
D.The shortage of nurses in schools
B.Mount Huangshan
C.Mount Kunlun
D.Mount Wuyi
B.TheKoran.
C.TheSunnah.
D.WritingsofIslamicscholars.
E.Noneismoreimportanttheyareallequallyimportant.
B.One can’t see anything beyond a quarter of a mile
C.The wind blows at a speed of 25 miles per hour
D.The wind blows at a speed of 23 miles per hour
B.Many Asian countries trust it very much
C.It is rejected by all Asian countries
D.It has gained more effectiveness at home than in Asia
为了保护您的账号安全,请在“简答题”公众号进行验证,点击“官网服务”-“账号验证”后输入验证码“”完成验证,验证成功后方可继续查看答案!