| {{B}}
Text {{/B}} Every human being, {{U}} (26) {{/U}} what he is doing, gives off body heat. The usual problem is {{U}} (27) {{/U}} dispose of it. But the designers of the Johnstown campus of the University of Pittsburgh set themselves the {{U}} (28) {{/U}} problem how to collect body heat. They have designed a collection system which utilize {{U}} (29) {{/U}} body heat, but the heat given off by such objects {{U}} (30) {{/U}} light bulbs and refrigerators as well. The system works so well {{U}} (31) {{/U}} no conventional fuel is needed {{U}} (32) {{/U}} the campus’s six buildings comfortable. Some parts of most modern buildings, theatres and offices {{U}} (33) {{/U}} classrooms are more than heated by people and lights and sometimes must be air-conditioned and {{U}} A. the other B. other C. others D. the others 更多"{{B}}"的相关试题: [单项选择]
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