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【简答题】
Jane is a student who teaches golf on the weekend and in a year earns $30000 after paying her taxes. At the beginning of 2010, Jane owned $800 worth of books, CDs, and golf clubs and she had $5000 in a savings account at the bank. During 2010, the interest on her savings account was $300 and she spent a total of $15300 on consumption goods and services. There was no change in the market values of her books, CDs,and golf clubs. Jane's wealth was $( ) at the end of 2010?
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【简答题】With proper ysis on your audience, you can predict what they would like to hear and make adaptations. A successful speaker sometimes can be a ( ): he knows exactly what the audience want.
【简答题】These are the key factors for being a successful speaker, and they are _____ my own experience.
【判断题】With proper analysis on your audience, you can predict what they would like to hear and make adaptations. A successful speaker sometimes can be a mind-reader: he knows exactly what the audience want.
A.
正确
B.
错误
【单选题】关于“热机”，下列说法中错误的是： [ ]
A.
．通过技术改进，可以使热机的效率达到100%
B.
．减少城市热岛效应的措施之一就是倡导“绿色出行”。
C.
．用水而不用其它循环物质降低热机的温度，主要是利 用水的比热容最大的特性 D．严寒的冬天，有人晚上把热机水箱中的水放出，是防止气温降低时，水凝固而胀坏水箱
【简答题】Eye contact is a nonverbal technique that helps the speaker “ sell ” his or her ideas to an audience, besides its persuasive powers, eye contact helps hold the listener s ’ interest. A successful spea...
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【简答题】These are the key factors for being a successful speaker, and they are _____ my own experience.