首次发生的自发性气胸，有以下哪些情况应及时进行胸腔镜探查（） A.对侧同时或曾经发生

下述胸片符合支原体肺炎的典型表现的是（）。

A.胸片示左下肺大片状密度增高影，内有多个空洞，形态变化迅速

B.胸片示左上肺斑片状密度增高影，密度不均

C.胸片示右上叶实变影，叶间裂下坠

D.胸片示右下肺密度浅淡的斑片状影

E.胸片示双下肺斑片状影

容易透过血-脑脊液屏障的抗真菌药物有（）

A.二性霉素B

B.伊曲康唑

C.氟康唑

D.5-氟胞嘧啶

E.伏立康唑

关于人体实验的国际性著名文件是（）

A.《夏威夷宣言》

B.《赫尔辛基宣言》

C.《希波克拉底誓言》

D.《东京宣言》

E.《悉尼宣言》

ARDS时出现肺泡Ⅱ型细胞损伤，表面活性物质减少，可引起的病理改变是

A．肺不张、肺泡萎陷

B．肺小叶间隔增宽

C．肺内含铁血黄素沉着

D．肺水肿

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.