单词拼写：根据下列各句句意和空白之后的汉语提示词，写出对应单词的正确形式，每空只写一词。

1. She was brought into hospital for _________ (观察).

2. I always __________ (后悔) that I never trained.

3. __________ (不幸), he lost two of his family in the earthquake.

4. Because of the bad weather, many _________ (航班) have been called off.

5. When the earthquake broke out, we can find everything in the house _________ (摆动) without stop.

住房贷款处理过程是：接收客户已批准的贷款申请单，根据利息文件进行核算，产生贷款分配表建立客户贷款文件。每月接收客户的交款单，根据客户贷款文件进行收款处理，修改客户贷款文件，并将收款收据发给客户。查询时接受客户的查询要求，根据客户贷款文件得到查询结果交给客户。绘制住房贷款处理的数据流程图。