1、多选题：
What are the effective methods to open a speech ?
选项：
A:A Story or an Anecdote
B: An Appropriate Quotation
C:Question
答案: 【A Story or an Anecdote; An Appropriate Quotation;Question】

2、多选题：
A supporting detail is a fact, description, example, quotation, anecdote, or other item of information used to ______.
选项：
A:back up a claim
B:illustrate a point
C:explain an idea
D:support a topic sentence
答案: 【back up a claim;illustrate a point;explain an idea;support a topic sentence】

3、多选题：
What are the effective methods to close a speech ?
选项：
A:Direct Call to Action
B:Powerful Quotations
C:Ask a Question
D:Make It Personal
答案: 【Direct Call to Action;Powerful Quotations;Ask a Question;Make It Personal】

4、判断题：
Previewing is one of the three basic speed reading techniques and allows to extract essential information from reading material before digging into details. 

选项：
A:对
B:错
答案: 【对】

5、判断题：
A topic sentence contains the main idea upon which a paragraph is developed.
选项：
A:对
B:错
答案: 【对】