四級考試是許多童鞋必須通過的考試，其重要程度不言而喻。希望通過四級聽力天天練，童鞋們可以提高聽力水平，高分通過四級，沖刺六級。
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Higginbotham
聽力原文：
Passage Three

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. Each speech is different because she tailors her remarks to each audience. ____1____ On the subject of space walks, for example, audiences vary in their interests and how much complexity they can comprehend. To elementary school children, Higginbotham may discuss a problem that many kids want to know about. "How do spacemen in a spacesuit eat, drink, and go to the bathroom?" Her answer is “____2____” To a high school audience, she might satisfy a curiosity that often arises in her pre-speech interviews with students who obviously have seen many science fiction movies. “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. ____3____


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