我国的中医理论开始形成的标志是约成书于战国的《（）》，汉末张仲景的《（）》则使医学理

将危机与机会联系在一起，体现的思想是（）

A.保守主义思想

B.悲观主义思想

C.盲目主义思想

D.乐观主义思想

在实际应用的多级蒸发系统中，各蒸发器给水方式的确定是：（）

A、由二次蒸汽的数量来确定

B、由蒸发器的排污量多少来确定

C、由蒸馏水的品质来决定

D、由锅炉型号和容量来确定

药物的内在活性(效应力)是指：

A．药物对受体亲和力高低
B．药物脂溶性强弱
C．药物与受体结合的能力
D．药物穿透生物膜的能力
E．受体激动时的反应强度

Water is (41) important of all the things we (42) and drink. Not many people understand this, (43) it’s quite true. The human body (人体) can go (44) food for a long time, but two (45) three days without water can usually (46) people die.
Many people don’ t understand how much water the human body needs to work well and many people do not drink (47) , even (48) hot weather.
Our body is (49) water, about 65% to 75%, ff we do not have enough water, we’ll (50) tired and many will get ill. So you see, how important water is to us all.

[A] mostly[B] almost [C] most

幼儿园语言教育活动及设计的研究对象是（）。

A.儿童语言发生的现象

B.儿童语言发展的规律

C.儿童语言发生的生理机制

D.学前儿童语言训练

E.儿童语言教育