根据句意和汉语提示，填写单词。

1. The knife is made of _________(金属).

2. Walter Elias Disney _________(创作) lots of cartoon characters.

3. Shall I write my answer above or _________(在……下面) the line?

4. While he was walking ________(朝着) me, I said hello to him.

5. I _________(敲) at the door, but there was no answer.

新生儿溶血病最常见的是

A．葡萄糖6—磷酸脱氢酶缺乏症

B．球形红细胞增多症

C．MN血型不合

D．Rh血型不合

E．ABO血型不合