搜题请搜索小程序“爱下问搜题”
问题 单项选择题

影响增溶的因素不包括

A．增溶剂的种类
B．加入顺序
C．增溶剂的用量
D．增溶剂的分子量
E．药物的性质

答案

参考答案：D

解析：增溶剂的种类、用量与增溶的效果有关，增溶剂的分子量与增溶的效果无关。

单项选择题

城市道路横断面非机动车道宽度设计中，以下考虑必要的是( )。

A．可以通行的大型机动车

B．考虑最宽的车辆有超车的条件

C．可以沿路停放机动车辆

D．考虑允许机动车逆行
查看答案
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.
查看答案