修改下面的一个病句
已是半夜时分,上海这座不夜城依然是灯火阑珊,外滩一线,依然车流如织。
改“阑珊”为“通明”
“灯火阑珊”是灯火稀少的意思,与语境不合。
In software engineering and systems engineering, ______ is a description of a system’s behavior as it responds to a request that originates from outside of that system.
A.blackbox
B.business rule
C.use case
D.traceability matrix
医学模式经历了哪几个阶段()
A.神灵主义医学模式
B.自然哲学医学模式
C.生物医学模式(biomedicalmodel)
D.生物-心理-社会医学模式(biopsychosocialmodel)