阅读材料，结合所学知识回答问题 材料：西汉农民家庭年收入（粮食）与指出情况表单位

I have a lot  before the exam so I can't watch too much TV now．

A．to be done

B．doing

C．to do

D．do

⑴现有下列四种物质：①乙烯、②乙酸、③淀粉、④蛋白质。其中，能使紫色石蕊试液变红的是          （填序号，下同）；能使溴的四氯化碳溶液褪色的是

         ；遇碘溶液显蓝色的是         ；遇浓硝酸变黄色的是         。

近年来，针对重大“资金链”断裂事件，我国充分发挥财政的作用，有效地维护了社会与经济的稳定。这表明我国财政能 [ ]

A、促进国民经济的平稳运行

B、有效地避免企业破产

C、在资源配置中起基础性作用

D、规避风险，保证百姓安居乐业

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.

给一位左上肢骨折病人床上擦浴，下述何项正确()。

A．由外眦向内擦拭眼部，

B．脱上衣时先脱左肢

C．擦毕按摩骨突处

D．穿上衣时先穿右肢

E．擦洗动作要轻缓