【判断题】呼吸机主要由电子控制系统和气路系统两大部分组成。电子控制系统的主要功能是控制呼吸机以一定的频率、潮气量进行通气,同时监测和报警。气路系统主要是一个气体传送系统,包括气体供应(气体储存、压力支持)、气体传输、压力流量监测和校正。
【单选题】Which statement is true according to the passage?
A.
Bulls will have some loss when stock market goes up.
B.
Bears will get some profits when stock market goes up.
C.
Bears may replace the stocks that they borrow until the stock market goes up.
D.
Bears may wait to replace stocks that they borrow until they get profits.
【单选题】Which statement is true about Earth Hour?
A.
Earth Hour has became a global movement since 2009.
B.
The Forbidden City had its lights turned off in the 2009 Earth Hour.
C.
The first Earth Hour Forest was started in Uganda.
D.
The campaign “I Will If You Will” was meant to engage more and more people to come together through various social networking services.
【单选题】下列关于损失补偿原则的基本含义说法不正确的是______。
A.
只有保险事故发生造成保险标的毁损致使被保险人遭受经济损失时,保险人才承担损失补偿的责任
B.
在保险期限内发生了保险事故,但被保险人没有遭受损失,保险人也应承担损失补偿的责任
C.
被保险人可获得的补偿量仅以其保险标的遭受的实际损失为限
D.
保险人的补偿恰好能使保险标的在经济上恢复到保险事故发生之前的状态,而不能使被保险人获得多于或少于损失的补偿,尤其是不能让被保险人通过保险获得额外的利益
【判断题】美国经济学家凡勃伦是最早研究企业理论的人之一。