根据句意及所给汉语提示完成单词。

1. The old woman is crying _____ (悲伤). What happened to her?

2. I've _____(刚刚) known it. Sorry to hear that.

3. Kitty got _____ (结婚)  last year. Her husband is a computer programmer.

4. The plane _____ (降落) at six this morning. Everything was OK.

5. How many _____ (街区) are there in your hometown?

肠套叠病人出现血性大便常（）

A.见于2岁以内的小儿

B.见于年长儿

C.无腹痛体征

D.合并肠扭转

E.是少见的症状