大工13春《水利工程概论》在线测试3答案（Big work 13 spring, Water Resources Engineering Introduction online test 3 answer）.doc

大工13春《水利工程概论》在线测试3答案（Big work 13 spring, Water Resources Engineering Introduction online test 3 answer） Great works, 13 spring, online introduction of hydraulic engineering, 3 Judgment questions (a total of 15 questions, a total of 45 points) 1., the horizontal scale of tornado is very large, the diameter of ground layer is several hundred kilometers, and the air diameter is generally 1-2 kilometers or several hundred meters. A. error B. correct Full marks: 3 2. Shanghai world financial center is the worlds tallest skyscraper, 785 meters high. A. error B. correct Full marks: 3 3. in the study of urban disaster, the cause of formation and dynamics of disaster is one of the important branches of disaster prevention and countermeasures. A. error B. correct Full marks: 3 4., disaster prevention science and technology is a kind of prevention and control technology developed on the basis of the scientific and technological methods used to study the causal relationship between natural phenomena and social phenomena. A. error B. correct Full marks: 3 5. the second level seismic fortification target indicated in the code of seismic resistance is that the building may be damaged when subjected to an earthquake affected by the fortification intensity of the local area, and can continue to be used after general repair or without repair. A. error B. correct Full marks: 3 6., grading and evaluation of disaster is one aspect of disaster research. A. error B. correct Full marks: 3 7. river channel hydropower stations are generally built on the most steep sections of the longitudinal slope of the middle and lower reaches of the river. A. error B. correct Full marks: 3 8., seismic analysis of structure through earthquake, to understand the seismic capacity of the project. A. error B. correct Full marks: 3 9. when an earthquake occurs, the building will be damaged due to insufficient structural capacity. A. error B. correct Full marks: 3 10. seismic characteristics, activity patterns