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问题 单项选择题

患者，女，25岁，已婚。妊娠5个月肿胀，先自脚起，渐及腿部，皮色不变，随按随起，伴头晕胀痛，胸胁胀满，舌苔薄腻，脉弦滑。其证型是

A．脾虚湿盛
B．肾虚水泛
C．气滞湿阻
D．寒湿阻滞
E．血瘀阻络

答案

参考答案：C

单项选择题

As one works with color in a practical, or experimental way, one is impressed by two apparently unrelated facts. Color as seen is a mobile, changeable thing (1) to a large extent on the relationship of the color (2) other colors (3) simultaneously. It is not (4) in its relation to the direct stimulus which (5) it. On the other hand, the properties of surfaces that give (6) to color do not seem to change greatly under a wide variety of illumination color, usually (but not always) looking much the same in artificial light as in daylight. Both of these effects seem to be (7) in large part to the mechanism of color (8) .

When the eye is (9) to a colored area, there is an immediate readjustment of the (10) of the eye to color in and around the area (11) . This readjustment does not promptly affect the color seen but usually does affect the next area to which the (12) is shifted. The longer the time of viewing, the higher the (13) , and the larger the area, the greater the effect will be (14) its persistence in the (15) viewing situation. As indicated by the work of Wright and Schouten, it appears that, at (16) for a first approximation, full adaptation takes place over (17) time if the adapting source is moderately bright and the eye has been in (18) darkness just previously. Also, (19) of the persistence of the effect if the eye is shifted around from one object to another, all of which are at similar brightness or have similar colors, the adaptation will tend to become (20) over the whole eye.

19（）

A.regardless

B.despite

C.exclusive

D.because
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单项选择题

海水/般土钻井液属于（）。

A.细分散体系；

B.粗分散体系；

C.不分散体系。
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