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．B
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(答案→)B
解析：如何准备一个演讲？被邀请来演讲是一种荣誉。你必须确保你的演讲很有趣，充满智慧，观众从中可以采取的有价值的见解。所以准备好你的演讲很重要。1.想一个好的话题；2.做演讲的提纲；3.检查你的演讲的准确性；4.增加些幽默。
【小题1】考查上下文的语境理解能力。根据后面提到的你必须确保你的演讲很有趣，充满智慧，观众从中可以采取的有价值的见解。可知，选B（不过，演讲是具有挑战性的。） 。
【小题2】考查上下文的语境理解能力。根据本段中心是选择一个好的话题和空后的解释，选择一个及时和社会有关的话题，可知选E（ 说得再简单些，就是考虑什么会吸引你的观众。）。
【小题3】考查上下文的语境理解能力。空前提到：有必要时，可以做一些研究，与G项（不害怕探索的主题，因为这会让你发现其他需要讨论的要点。）意思一致。
【小题4】考查上下文的语境理解能力。空后面的内容讲到：统计，数据，医疗信息，历史记载，和类似的信息，都应该被检查，这将节省你的可信度你谈论的权威。所以本段的中心是A（检查你讲座的准确性。）。
【小题5】考查上下文的语境理解能力。根据本段的中心内容是增加幽默的成分，空前提到：不要让观众觉得你一个人在那里说，与D(相反，在讨论中的某一点时让你的观众微笑或大笑。)意思一致。