作为中子源来治疗肿瘤的放射源是()。 A.252锎 B.192铱 C.125碘 D. 发布时间:2017-08-11 18:29 │ 来源:www.tikuol.com 题型:单项选择题 问题: 作为中子源来治疗肿瘤的放射源是()。A.252锎B.192铱C.125碘D.60钴E.137铯
题型:单项选择题 The most appropriate reason for an investor to sell a security short is the investor’s belief that, in the near future.()A. the security’s price will decline.B. interest rates will decline.C. The required rate of return on the security will decline. 查看答案
题型:单项选择题 陈某与保险公司的代理人王某商谈签订一份财产保险合同,保险合同中规定有多条保险公司的免责条款,王某提醒陈某要仔细阅读合同条款,但是未说明免责条款,陈某与保险公司签订了保险合同,以下说法正确的是( )A.保险合同无效B.免责条款无效C.保险合同是效力待定合同D.保险合同是可撤销合同 查看答案