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【多选题】
某同学需配制100 g 12%的NaOH溶液来制作“叶脉书签”。在配制溶液过程中,下列做法正确的是 [     ]
A.
称量前发现指针向右偏,应调节螺母至平衡
B.
在托盘上垫纸称量12g NaOH固体
C.
用100mL量筒量取88 mL水
D.
用药匙搅拌,加速NaOH溶解
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【单选题】求助者自述:半年前因与妻子外出登山时,妻子失足坠崖死亡。经公安部门鉴定已排除他杀,证明自己清白。但女方家人依然诉诸法律,自己承受巨大压力,虽然夫妻关系一直不好,但是内心也十分痛苦,因为要应付女方家人纠缠,更是烦恼,为此寻求过心理咨询。目前,一切后事及纠纷已经处理完毕,经过心理咨询,情绪基本稳定。家人为了使其及早摆脱阴影,为其介绍了一位对象,现在对方有意发展关系,对方也很不错,但对方离异有孩子,自己...
A.
痛苦抑郁
B.
强迫焦虑
C.
恐惧害怕
D.
自责自罪
E.
有自杀意念
【判断题】测定烟尘浓度时必须采用等速采样法,这样做的好处是结果相对准确,而且采得的烟尘也比较接近于真实环境下的浓度,这样可以提高实验的真实性
A.
正确
B.
错误
【单选题】Traditionally, universities have carried out two main activities: research and teaching. Many experts would argue that both these activities play a critical role in serving the community. The fundamen...
A.
traditional universities do a good job serving the society
B.
universities must meet the needs of the society
C.
research and teaching are of great importance in universities
D.
universities play an important role in our society
【单选题】Traditionally, universities have carried out two main activities: research and teaching. Many experts would argue that both these activities play a critical role in serving the community. The fundamen...
A.
universities must meet the needs of the society
B.
universities play an important role in our society
C.
research and teaching are of great importance in universities
D.
traditional universities do a good job serving the society
【简答题】下面关于动态规划说法正确的是
【判断题】ASCII字符A的码值比字符a的ASCII码值小。
A.
正确
B.
错误
【单选题】Traditionally, universities have carried out two main activities: research and teaching. Any experts would argue that both these activities play a critical role in serving the community. The fundament...
A.
believes traditional universities have done a good job serving the community
B.
believes it remains to be discussed how universities should meet the needs of society
C.
thinks some experts require too much of universities
D.
thinks universities should do more than just research and teach
【单选题】在ASCII码表中可以看到每个小写字母的ASCII码值比它相应的大写字母的ASCII码值_____。
A.
小32
B.
大32
C.
相等
D.
大20
【判断题】平时可以借用他人的化妆品。
A.
正确
B.
错误
【判断题】应收账款管理的目的是在应收账款信用政策所增加的销售盈利和这种政策成本之间作出权衡,只有当应收账款所增加的成本超过所增加的销售盈利时,才宜实施赊销政策。( )
A.
正确
B.
错误
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