受伤当时无明显症状，几天后突然出现急性大出血的危险情况的内脏损伤是 A．肝脾破裂 B

老年期妇女卵巢主要分泌（）。

A.雌激素

B.孕激素

C.雄激素

D.催乳素

E.肾上腺皮质激素

你对这起死亡事件的原因进行调查时，首先应检测

A．水中致病性微生物

B．死亡者组织样本

C．残余水中化学毒物

D．当地上壤样本

E．当地居民尿样

急性白血病出血的主要原因是（）

A.DIC

B.血小板减少

C.纤维蛋白溶解

D.AT-Ⅲ减少

E.小血管被白血病细胞浸润破坏

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.

将桌面上的图标按类型自动排列。