和硅酸盐水泥相比,掺有混合材料的水泥的如下那个性质较差()
A.耐水性
B.后期强度
C.抗冻性
D.泌水性
参考答案:C
患者女性,47岁,因左眼疼痛、怕光、流泪、视力下降件发热天就诊。此前一周患感冒,有糖尿病史。查体:体温38.5℃,左耳前淋巴结肿大,睫状充血明显,角膜水肿混浊,右眼正常。
以下哪些实验室检查可以诊断单纯疱疹病毒性角膜炎()
A.中和实验
B.补体实验
C.血清抗体实验
D.免疫组化
E.病毒分离
F.核酸杂交技术
Anthropology is the study of human beings as creatures of society. It (1) its attention upon those. physical characteristics and industrial techniques, those conventions and values, which (2) one community from all others that belong to a different tradition.
The distinguishing mark of anthropology among the social sciences is that it includes for serious study other societies (3) our own. For its purposes any social (4) of mating and reproduction is as significant as our own. To the anthropologist our customs and those of a New Guinea tribe are two possible social schemes for (5) a common problem, and in so far as he remains an anthropologist he is (6) to avoid any weighting of one (7) the other. He is interested in human behavior, not as it is shaped by one tradition, our own, but as it has been shaped by any tradition (8) He is interested in a wide (9) of custom that is found in various cultures, and his object is to understand the way in which these cultures change and (10) , the different forms through which they express themselves and the (11) in which the customs of any peoples function in the lives of the (12) .
Now custom has not been commonly regarded as a (13) of any great moment. The inner workings of our own brains we feel to be uniquely (14) of investigation, but custom, we have a way of thinking, is behavior at its most commonplace. (15) , it is the other way round. Traditional custom is a mass of detailed behavior more astonishing than (16) any one person can ever evolve in individual actions. Yet that is a rather (17) aspect of the matter. The fact (18) first rate importance is the predominant role that custom (19) in experience and belief, and the very great varieties it may (20)
6()
A.acknowledged
B.authorized
C.bound
D.credited