【单选题】以下代码中1,2 处应填入哪个选项,浏览器会输出 受保护 的属性 $dauter和私有属性 $mom 的 值 ()(选择一项)
A.
$family-> get() ; $family-> get mom ();
B.
$family->dauter; $family->mom;
C.
$family-> getdauter() ; $family-> get mom () ;
D.
$family-> dauter; $family-> get mom () ;
【简答题】William Warbler was a man with a very ordinary ____________. He always ____________ a suitcase with him wherever he went. But the unusual thing about him was that he would respond to others’ questions...
【单选题】44如欲细化晶粒,均匀组织,降低内应力,应采用的热处理方法是( )