下列()属于引用数据类型。(先两项)
A. String
B. char
C. 用户自定义的Student类
D. int
Jacob hissummer holidaysspentontheBigIslandof Hawaiiwithitsbeautifullandscapeandtranquil asarareescapefromthemadnessof .(urban,lookbackon,atmosphere)
Learningintheinformation isreallyconvenientandefficient. Withyourcomputer the Internet,youcaneasilyobtainresourcesrelevanttoyourresearch.(era,electronic,hookupto)
Detectives,whobelievemorethanonepersonisbehindtheconstantattacksin,areusing computerto specificbehaviorandsituations.However,they arealsoawarethattheyshouldn'trelytoomuchon computerbecauseitmayattimes.(suburb, system,sophisticated, analyze,error)