以下表达式，正确定义了一个集合数据对象的是：
A、x={200,’flg’,203}A
暂无解析
Thesetwoalarmclocksarenormallysettogether,butnowtheyhavebeenresetafewhours_________.
“Thedignityofmovementofanicebergisduetoonlyone-eighthofitbeingabovewater.”This“iceberg”analogyaboutprosestylewasputforwardby().
We________goouttorestaurants,butmostlyweeatathome.
Theattitudetowardslifethat()hadbeentryingtodemonstrateinhisworksisknownas“graceunderpressure”.
英语翻译：instrumentofratification
