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How to prepare a lecture Being invited to give a lecture is an honor.It means that people regard you as an authority on a given field, subject, or issue.It means you are worth listening to.小题1: You have to make sure your lecture is interesting, and full of wisdom, from which the audience can take valuable insights.This is why it is important for you to prepare your lecture well. 1.Think of a good topic. You most likely will be assigned to talk about a certain topic.If that's the case, you only need to make an outline and do some research.But in some cases, you will have to think of your own topic.Although it gives you more freedom to do it, thinking of a topic can be tricky.小题2: Or pick a topic that is timely and socially relevant. 2.Make an outline for the lecture. Start by listing down the points that you will discuss, and then fill in each point with subpoints.If necessary, make a research about your topic.小题3: But if in so doing you end up with a very long outline, figure how you can shorten the topic or cut where cutting is needed. 3.小题4: Statistics, figures, medical information, historical accounts, and similar information should all be checked and it will save your credibility as an authority on the subject you are talking about. 4.Add humor. Don't engage your audience in a dragging soliloquy (独白).小题5: Humor will interest your audience.Of course, make sure the elements in your lecture are in line with your main topic and are not nonsense, racial, and offensive jokes. A.Check your lecture for accuracy. B.Giving a lecture is challenging, though. C.If necessary, provide your contact information, such as an email address or blog site. D.Instead, make your audience smile, or burst into laughter at certain points in your discussion. E.To make it easier, consider what will interest your audience. F.It should summarize your whole talk in one sentence. G.Don't be afraid of exploring the topic, as this will allow you to discover other points that need discussion.
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【单选题】一个待测物有多种检验方法时,要求这些检验方法
A.
有可比性
B.
有相同的灵敏度
C.
有相同的精密度
D.
有相同的准确度
E.
有互补性
【单选题】一个毒物有多个标准检验方法时,要求这些检验方法
A.
有可比性
B.
有相同的灵敏度
C.
有相同的精密度
D.
有相同的准确度
E.
有互补性
【单选题】()是柴科夫斯基的作品。
A.
《罗密欧与朱丽叶》
B.
《在中亚西亚草原》
C.
《舍赫拉查德》
D.
《彼得与狼》
【判断题】颠覆式创新中技术才是全部。()
A.
正确
B.
错误
【单选题】下列说法错误的是( )。
A.
转子中产生的交流电,经过二极管整流器整流后输出直流电
B.
型号为JFZ1913Z交流发电机的含义是:电压等级为1、输出电流大于9、第13次设计、调整臂位于左边的整体式交流发电机
C.
晶体管式电压调节器是利用晶体管的开关特性,来控制发电机的励磁电流,使发电机的输出电压保持恒定
【简答题】电子计数器的基本功能是测量信号的 和 。
【单选题】实验室内部质量评定可采用()的方法来评价分析方法的精密度。
A.
测定标准物质
B.
重复测定试样
C.
参照标准物
D.
实验室之间共同检验一个试样
【单选题】下列药物分析术语中哪一个涵义表达错误:
A.
标准差或变异系数表示测定的精密度
B.
回收试验可表明测定的准确度
C.
回归系数表示测定的线性与范围
D.
检测限表示测量值和方法的符合程度
E.
有效数字表示测量值末位数后一位有误差
【单选题】以下关于准确度和精密度的关系的说法不正确的是 () 。
A.
增加检测次数,可以提高检验分析结果的精密度。
B.
只有精密度好,才能得到好的准确度。
C.
分析结果必须从准确度与精密度两个方面来衡量。
D.
准确度高,精密度不一定高。
【多选题】检验一个新的分析方法是否正确,可以采用哪些方法?
A.
使用国家标准物质进行实验,比对结果
B.
采取国家标准方法或者是已知公认的经典方法进行实验,比对结果
C.
加标回收法
D.
新的分析方法对同一试样多次测定结果的精密度高低
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