场销售促进是指企业以创造()为目的的所从事的所有活动。

题型:填空题

问题:

场销售促进是指企业以创造()为目的的所从事的所有活动。

考点:动力与电气工程电力系统电力系统题库
题型:填空题

某同学在做“观察洋葱表皮细胞的质壁分离和复原”实验时,进行了一系列的改进,实验处理和现象如下表:

对上表的推断或解释不合理的是[ ]

A.x为质壁分离,因为细胞壁伸缩性小于原生质层

B.y为无变化,原因是细胞失水过多而死亡

C.z为细胞稍增大,且细胞液颜色逐渐变浅

D.④组无变化,因为细胞液与外界溶液等渗,吸水量等于失水量

题型:填空题

交配电所中,6~10kV母线的分段处,当属于下列哪种情况时,可只装设隔离电器?()

A.事故时手动切换电源能满足要求

B.需要带负荷操作

C.继电保护或自动装置无要求

D.事故时手动切换电源能满足要求,不需要带负荷操作,同时对母线分段开关无继电保护或自动装置要求

题型:填空题

儿童从()岁左右开始说话,进入单词句的阶段。

A.0.5

B.1

C.3

D.5

题型:填空题

Your company, HealtNut Inc. , is a leading marketer of dietary supplements that can be produced quickly and without regulatory approval. Management wants to explore new markets and new products to boost revenue and profits. You are leading a team to identify potential products. Because of your background and interest in information technology, you recommended developing wireless communications products. But when you submitted the idea for review, executive management informed you that this product would not fit with the organization’s core competencies. You need to go back to the drawing board and recommend other products using management’s guideline as ______ .

A) an assumption
B) a constraint
C) a specification
D) a technical requirement

题型:填空题

全反式维生素A醇的异丙醇溶液最大吸收波长在()

A.305nm

B.315nm

C.325nm

D.335nm

E.345nm

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