四级练习2011.07.22
[audio]http://sound.yywz123.com/tingbbs/cet4/cet420110722.mp3[/audio]When US spacewoman Joan Higginbotham is not flying and working in space, she might be found somewhere on earth giving a speech. Higginbotham, who grew up in Chicago and became an engineer before joining NASA, that is the National Air and Space Administration, gives about a dozen speeches a year. (1)______________________________. Through interviews and E-mails, she finds out in advance her listeners' educational level and what information they want to know. On the subject of space walks, for example, audiences vary in their interests and how much complexity they can comprehend.(2)____________________________. "How do spacemen in a spacesuit eat, drink, and go to the bathroom?" Her answer is "the spacesuit is really a small spacecraft with room for food and water-containers, and a waste-collection system." To a high school audience, (3)__________________________. "Do spacemen carry weapons in case they encounter enemies in space?" Her answer is "No". To scientists, she might provide technical details on such topics as the design of spacesuits that protects spacemen from the deadly temperature extremes of space. Just as elaborate preparation is required for success in space, Higginbotham says that it’s important for speakers to learn as much as possible about their listeners before a speech because every audience is different.
**** Hidden Message ***** 1.each speach is different,because tellers he remaks to each audience.
2.to the elementary school student,she make disscus about what the children what to know about
3,she often satisfy the curiosity of student who have seen lots of science fiction
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