爆破片装置应进行定期更换，一般爆破片装置应在（）内更换。 ["l～2年","2～3年","3～4年"]
Which code， inserted at line 16， will cause a java.lang.ClassCastException？（） ["Alpha a=x；","Foo f=（Delta）x；","Foo f=（Alpha）x；","Beta b=（Beta）（Alpha）x；"]
在墙体布置中，仅起分隔房间作用且其自身重量还由其他构件来承担的墙称为（）。 ["横墙","隔墙","纵墙","承重墙"]
城市公共交通管理体制的三种模式？
In which three situations is incomplete recovery required？（） ["After a shutdown abort.","When recovering to an SCN.","When recovering until a specific time.","When a required archived log is missing."]
发展计划
