【单选题】阅读如下代码: class B{ public B(){ System.out.println("B1"); } public B(int x){ System.out.println("B2"); } } class A extends B{ public A(){ System.out.println("A1"); } public A(int x){ System.out.println("...
【单选题】Read and choose.(根据上下文选择句子,将序号写在横线上) Lily: Good morning! My name's Lily. I'm from America. Lucy: __________ Lily. Lily: __________ Lucy: My name's Lucy. Lucy: __________ Lily: Where are you from?