在保险合同有效期间，一旦发生合同约定的保险事故，投保人就可以获得大大超过所支付的保险

介入性超声

Passage Two

Which of the following is NOT tree of Andrea Doria

A．The ship was luxuriously decorated.

B．The ship was carrying several million dollars.

C．The ship had some precious sculptures on board.

D．The ship has attracted a lot of treasure hunters ever since its sinking.

设有下列二叉树：

对此二叉树前序遍历的结果为

A．ZBTYCPXA

B．ATBZXCYP

C．ZBTACYXP

D．ATBZXCPY

简述原画的作用。

某肝癌患者病情已到晚期，处于极度痛苦之中，自认为是肝硬化，寄希望于治疗，病情进展和疼痛发作时，多次要求医生给以明确说法和治疗措施。此时，医生最佳的伦理选择应该是（）

A.正确对待保密与讲真话的关系，经家属同意后告知实情，重点减轻病痛

B.恪守保密原则，继续隐瞒病情，直至患者病死

C.遵循病人自主原则，全面满足病人要求

D.依据知情同意原则，应该告知病人所有信息

E.依据有利原则，劝导病人试用一些民间土方