暂时性心肌缺血时,心肌灌注SPECT显像表现为()。
A.固定性放射性缺损
B.放射性持续缺损
C.放射性分布增强
D.放射性分布无变化
E.可逆放射性缺损
参考答案:E
根据我国消费者权益保护法的规定,消费者协会履行的职能之一是()
A、参与含企业的年度生产计划的制定
B、受理经营者的投诉、并对投诉事项进行调查、调解
C、参与销售企业市场开拓计划的制定
D、就损害消费者合法权益的行为,支持受损害的消费者提起诉讼
Tragedies have a way of making people rethink their (1) and find a new focus. They make people think about what a society needs in order to (2) . The notion of doing something to take control of society or of our fate as humans might be dated back to ancient times of the (3) . Now, in the early 21st century, " social (4) " are trying to take back some (5) over society’s direction once again. A social inventor is not necessarily a social (6) , a social (7) or someone who works in a (8) industry or invents new (9) and consumer products. A social inventor is using the power of (10) thinking, to come up with ideas for (11) in certain communities or sections of society. They have a vision of a (12) world and create new systems or practices. Their ideas may seem (13) or impossible. They are usually quite (14) people. But some of these creative thinkers have (15) and quietly changed the way we live. Social inventions do not have to be (16) . Sometimes they are new (17) for neighborhoods or communities, or even very (18) ideas. The idea of social inventions has become so popular in recent years. It shows how much people desire to make a (19) in our society and not remain (20) .