which of the following operations exists insecurity?
which of the following operation is correct?
for personal safety protection, which of the following practices is wrong?
which of the following treatment methods is correct for the waste liquid produced by the experiments?
which of the following operation is wrong?
what kind of gloves should be used when assembling and disassembling glass instruments?
when the clothes are on fire during the experiment, which of the following operations is wrong?
which of the following operation is wrong?
chemicals in laboratory must be labeled with their names to avoid misuse.
when using the fire extinguisher to extinguish the fire, the nozzle of the fire extinguisher shall be aligned with the middle of the flame.
during the chemical experiment, contact lenses can be worn to protect the eyes.
during the experiment, you can extend your head into the fume hood so that you can see clearly and operate flexibly.
chemicals and laboratory instruments should not be placed at the exit of the fume hood to avoid danger.
myopia mirror can play a reliable protective role, so it is not necessary to wear goggles outside during the experiment.
eyewashes should be checked regularly to ensure that the water pressure is sufficient and water is ejected during use.
you can wear sneakers with mesh to enter the laboratory.
during the experiment, students with long hair must tie their hair.
during the experiment, when you have a minor cut, you should forcefully wash the wound with soap and water for a few minutes, and squeeze the blood out.
when the fire on the body is extinguished, the clothes sticking to the skin should be taken off immediately.
in the event of a fire, cover your nose with a dry towel to avoid being oked.
which kind of injector must be used in liquid chromatography?
how many times should the buret be rinsed with titrant at least after it is rinsed with deionized water?
ultraviolet-visible spectrophotometer generally consists of light source, ( ), sample chamber and detector.
the light source of the ultraviolet-visible spectrophotometer can be ( ) or deuterium lamp.
when turning on the gas chromatograph, you should first
which can be used as the detector of high performance liquid chromatography?
what substances are gas chromatography used to separate and detect?
what parts does the gas chromatograph include?
after the buret is filled with the solution, read immediately.
in parallel titration, the liquid level of the titrant must be adjusted to the same scale level before each titration.
when accurately weighing the primary standard, which of the following balances should be used?
in the titration ysis experiment, the more the amount of indicator, the more obvious the color change, and the less the amount of indicator, the less the color change at the end point.
which of the following solutions must be filled in a brown reagent bottle?
the accurate concentration of kmno4 can be calibrated with na2c2o4 as the primary standard.
which one of the following is commonly used as the primary standards?
the concentration of the edta standard solution should keep four significant digits. which of the following expressions is correct?
when the standard addition method is used for the determination of fluorine content, which of the following descriptions is wrong?
which of the following results may occur by increasing the flow rate of carrier gas in gas chromatography?
which of the following results may occur by increasing the column temperature in gas chromatography?
the detector that can be used for high performance liquid chromatography is ( )
what is the purpose of rinsing the syringe in the liquid chromatographic experiment?
high pressure, high efficiency and high speed are the characteristics of modern liquid chromatography. what is the main cause of high pressure?
which substances are used for separation and detection by gas chromatography?
in order to avoid the loss of stationary phase in liquid chromatography, it indicates the aller the better on the polarity difference between the mobile phase and the stationary phase.
since boric acid is a weak acid, it must be converted into a strong acid before titration. which of the following can react with boric acid to form a strong acid?
because the rate of coordination reaction is very fast, the titration speed can be very fast, and even the solution can be connected into a line.
when using the ion exchange column, pay attention that the liquid level should not be lower than the resin, otherwise bubbles will appear in the exchange column.
请根据你所学以及所了解的宇宙的知识,写一篇不少于800字的文章
请根据你所学以及所了解的宇宙的知识,写一篇不少于800字的文章
社会交换理论的基础是( )。
社会心理学中用的双盲实验设计的目的是( )
实验方法引入社会心理学使得社会心理学的发展出现质的飞跃。
小明妈妈希望孩子把全部时间投入学习,而小明则更愿意踢足球,这是角色间冲突
将他人状态与自身状态进行对比以获得明确自我评价的过程叫做( )
社会化的本质是( )
个体社会化的过程也是个性化形成和个性化发展的过程。( )
原始社会的成人社会化也存在“文化反哺”。( )
合理行动理论认为,决定行为的是( )
由于低可信性传递者造成的态度改变会随着时间推移而明显增加的效应为( )
公开承诺的态度,其强度很难发生改变。( )
如果把说服信息与一些积极的强化联系起来,态度更容易改变。( )
下列不属于知觉他人情绪的线索的是( )
以下属于内隐社会认知研究方法的是( )
人们在对一个人形成印象的过程中,是对他的所有特征进行平均加工的。( )
知觉者的情绪状况会直接影响他对其他人印象形成过程中的信息选择。( )
社会认同理论认为,刻板印象是( )的结果。
某个学生考试成绩不好,学生认为是老师教的不好;他的老师认为是学生学的不好,这是以下哪种归因偏差( )
刻板印象一旦形成,就无法改变。( )
不同群体之间进行平等接触可以减少群体间的偏见。( )
副语言沟通指使用( )进行的人与人之间的沟通。
以下哪些方法不能提高沟通的准确性( )
一个人在特定场合的空间位置,代表他的社会地位。( )
个体的衣着和服饰也传递沟通信息。( )
人际交往双方的关系性质出现实质性变化的阶段是( )
以下会导致人际吸引的因素是( )
人类心理的适应,最主要的就是对人际关系的适应。( )
对自己的亲人,我们会完全表露自己。( )
对于一个特定的社会影响源,接受其影响的人越多,他对于某一个目标的作用力就越小,这是( )
可以培养助人情感倾向的方法是( )
在同等情况下,女性更容易得到帮助。( )
人们心情不好的时候不愿意帮助别人。( )
武器会增强侵犯行为的现象被称之为( )
以下不会降低侵犯行为的是( )
社会经济水平越高,侵犯行为越少。( )
挫折一定会导致侵犯他人。( )
由于他人的期望压力而接受他人请求,行为符合别人期望的现象是( )
群体决策比个人决策更加冒险的现象称之为( )
学校里的班级是首属群体。( )
他人在场一定会提高行为者的行为效率。( )
社会心理学中用的双盲实验设计的目的是( )
将他人状态与自身状态进行对比以获得明确自我评价的过程叫做( )
由于低可信性传递者造成的态度改变会随着时间推移而明显增加的效应为( )
下列不属于知觉他人情绪的线索的是
某个学生考试成绩不好,学生认为是老师教的不好;他的老师认为是学生学的不好,这是以下哪种归因偏差( )
副语言沟通指使用( )进行的人与人之间的沟通。
人际交往双方的关系性质出现实质性变化的阶段是( )
可以培养助人情感倾向的方法是( )
武器会增强侵犯行为的现象被称之为( )
群体决策比个人决策更加冒险的现象称之为( )
影响服从的因素包括( )
以下哪些行为属于亲社会行为( )
沟通的背景包括( )。
偏见和歧视产生的原因包括( )
社会知觉会受到以下哪些因素的影响( )
社会化的结果包括( )
小明妈妈希望孩子把全部时间投入学习,而小明则更愿意踢足球,这是角色间冲突。()
社会心理学中的测量法和问卷法是一种相同的研究方法。( )
个体社会化的过程也是个性化形成和个性化发展的过程。( )
个体的衣着和服饰也传递沟通信息。( )
公开承诺的态度,其强度很难发生改变。( )
如果附加的外部理由成为行为的支持力量,态度就不容易发生改变。( )
人们心情不好的时候不愿意帮助别人。( )
人们在对一个人形成印象的过程中,是对他的所有特征进行平均加工的。( )
不同群体之间进行平等接触可以减少群体间的偏见。( )
由于观察者所关注的焦点不同,所以归因就有差异。( )
网络沟通比面对面沟通更有效。( )
亚社会与大社会的不一致是儿童社会化冲突的来源之一。( )
人类心理的适应,最主要的就是对人际关系的适应。( )
对自己的亲人,我们会完全表露自己。( )
在同等情况下,女性更容易得到帮助。( )
自我监控水平高的人其印象管理能力更强。( )
两个人吵架之后,关系一定会破裂。( )
一般说来,夏天比冬天侵犯行为更多。( )
他人在场一定会提高行为者的行为效率。( )
竞争比合作更有心理优势。( )
社会心理学中用的双盲实验设计的目的是( )
将他人状态与自身状态进行对比以获得明确自我评价的过程叫做( )
由于低可信性传递者造成的态度改变会随着时间推移而明显增加的效应为( )
下列不属于知觉他人情绪的线索的是
某个学生考试成绩不好,学生认为是老师教的不好;他的老师认为是学生学的不好,这是以下哪种归因偏差( )
副语言沟通指使用( )进行的人与人之间的沟通。
人际交往双方的关系性质出现实质性变化的阶段是( )
可以培养助人情感倾向的方法是( )
武器会增强侵犯行为的现象被称之为( )
群体决策比个人决策更加冒险的现象称之为( )
影响服从的因素包括( )
以下哪些行为属于亲社会行为( )
沟通的背景包括( )。
偏见和歧视产生的原因包括( )
社会知觉会受到以下哪些因素的影响( )
社会化的结果包括( )
小明妈妈希望孩子把全部时间投入学习,而小明则更愿意踢足球,这是角色间冲突。()
社会心理学中的测量法和问卷法是一种相同的研究方法。( )
个体社会化的过程也是个性化形成和个性化发展的过程。( )
个体的衣着和服饰也传递沟通信息。( )
公开承诺的态度,其强度很难发生改变。( )
如果附加的外部理由成为行为的支持力量,态度就不容易发生改变。( )
人们心情不好的时候不愿意帮助别人。( )
人们在对一个人形成印象的过程中,是对他的所有特征进行平均加工的。( )
不同群体之间进行平等接触可以减少群体间的偏见。( )
由于观察者所关注的焦点不同,所以归因就有差异。( )
网络沟通比面对面沟通更有效。( )
亚社会与大社会的不一致是儿童社会化冲突的来源之一。( )
人类心理的适应,最主要的就是对人际关系的适应。( )
对自己的亲人,我们会完全表露自己。( )
在同等情况下,女性更容易得到帮助。( )
自我监控水平高的人其印象管理能力更强。( )
两个人吵架之后,关系一定会破裂。( )
一般说来,夏天比冬天侵犯行为更多。( )
他人在场一定会提高行为者的行为效率。( )
竞争比合作更有心理优势。( )
当代园林较传统园林有哪些显著的发展变化?
校园绿地景观速写1幅
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