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郑老太太听了连连点头，说这话在理，遂不再说客套话，转头嘱咐刘氏打点了好几份中秋节礼，分别给亲家和自己娘家兄弟。他清楚地记着，那日那些颇为神秘的人物找到自己的情形。CBS宣布续订《联邦调查局：通缉要犯》第2季。该剧是讲述理疗师、复健治疗师、X光操作师、实习生、护士等在医院工作的人们的故事。1. The singleton pattern is simple to understand, but it is still difficult to implement it.The first scheme is to use the general coding method to realize the preloading technology of the picture. First, create the imgNode element, Then when the method myImage.setSrc is called, a preloaded picture is given to the picture first, and when the picture is loaded, the img element is assigned a value. The second scheme is implemented by using proxy mode. MyImage function is only responsible for creating img elements, proxy function ProxyImage is responsible for setting loading pictures for the picture, and when the picture is really loaded, myImage.setSrc method in myImage is called to set the path of the picture. The advantages and disadvantages between them are as follows: