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问题 单项选择题

患者，男性，43岁，5年前曾患肝炎，腹胀2个月，加重1周。体检：面色黝黑，颈部见散在分布的蜘蛛痣，蛙状腹，腹围100cm，移动性浊音(+)，肝肋下2cm质地硬，脾肋下4cm。拟诊肝硬化伴腹水。下述治疗措施哪项不妥

A．低盐饮食

B．限制进水量，每日约给1000ml左右

C．强化利尿，致每周体重减轻2～3kg

D．间歇输注血浆或白蛋白

E．利尿效果不佳时做腹水浓缩回输

答案

参考答案：C

填空题

Motivation is "the driving force within individuals that impels them to action." And goals are the sought-after results_____(1) motivated behavior.Motivation can be either positive or negative_____(2) direction. We may feel a driving force toward some object or condition, _____(3) a driving force away from some object or condition. For example, a person may be impelled toward a restaurant to fulfill a need, hunger, and away_____(4) an airplane to fulfill a need of safety. Some psychologists refer to positive drives_____(5) needs, wants or desires,_____(6) negative drives as fears or aversions._____ (7), though negative and positive motivational forces seem to differ dramatically_____(8) terms of physical and sometimes emotional activity, they are basically similar in_____(9) they both serve to initiate and sustain human behavior.____(10) this reason, researchers often refer _____(11) both kinds of drives or motives as needs, wants and desires.Goals, _____(12), can be either positive or negative. A positive goal is one toward_____ (13) behavior is directed and it is often referred to as an approach object. A negative goal is _____(14) from which behavior is directed away and it is sometimes referred to as an avoidance object. Since both approach and avoidance goals can be considered objectives of motivated behavior, most researchers refer to_____(15) types simply as goals. Consider this example. A middle-aged woman may wish to remain_____(16) attractive as possible. Her positive goal is to appear desirable, and_____(17) she may use a perfume advertised to make her irresistible. A negative goal may be to prevent her skin_____(18) aging, and therefore she may buy and use face creams._____(19) the former case, she uses perfume to help her achieve her positive goal — attractiveness; in the____(20) case, she uses face creams to help avoid a negative goal — wrinkled skin.
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单项选择题

气门头工作锥面的锥角，称为气门锥角，一般汽油机采用进气门（）锥角，排气门45°锥角。

A.35°

B.45°

C.75°

D.90°
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