保险合同的主体一般包括保险合同的当事人和保险合同的关系人,保险合同的当事人通常指()。
A.投保人
B.保险人
C.被保险人
D.受益人
E.见证人
参考答案:A, B
A.Melatonin is the source of a big push from biology that makes teenagers night owls.
B.Melatonin is a simple signal that turns on in the morning and turns off in the evening.
C.Melatonin is secreted several hours later in childhood than it will be during adolescence.
D.Melatonin doesn’t shut off until 11 o’clock P.M. every day.
尿崩症患者宜选用的药物是()。轻度高血压患者宜选用的药物是()。
A.氢氯噻嗪
B.呋塞米
C.甘露醇
D.高渗葡萄糖
E.螺内酯