From the passage we can infer that Pu's father is portrayed as a

单项选择题The passage implies that

单项选择题The author suggests that all of the following are true of human nature EXCEPT that

单项选择题The author's mother

单项选择题The difference between the actual loss caused by Hurricane Andrew and the loss estimated by insurance companies before the hurricane is

单项选择题The purpose of insurance companies to support disaster prediction research is that