【正文】
The force of escaping gasesC. The gravitational influence of a planetD. Energy from the SunLecture412. What is the main purpose of the lecture?A. To describe the restoration of a valuable ancient textB. To explain the significance of Archimedes’ theoriesC. To identify factors determine how long manuscripts surviveD. To pare various methods used to store historical artifacts13. What points does the professor make about the field of art conservation?Click on 2 answers.A. Many of its methods have ancient originsB. It often brings together experts from a variety of fieldsC. It involves conserving not just art but also other objects of historical valueD. It uses artistic methods more than scientific ones14. What does the professor identify as the most valuable attribute of the Archimedes Palimpsest?A. It is one of few manuscripts to have survived for more than 2000 yearsB. It serves as a document of several historical erasC. It contains the only known copy of Archimedes’s MethodD. It contains ancient works form more than one scholar15. According to the professor, why did a scribe remove the text by Archimedes form the manuscript’s pages?A. He thought the text was too damaged to be usefulB. He was offended by the content of the manuscriptC. He wanted to see what was hidden underneath the textD. He needed blank parchment for his own writing project16. Why does the professor mention that the original ink used in the manuscript contained iron?A. To suggest that the ink was probably made from spinachB. To explain why xrays were used to study the palimpsestC. To explain why the palimpsest survived for more than 2000 yearsD. To point out that iron is monly found in artifacts from ancient Greece17. Why does the professor say this:A. To express his surprise that the manuscript has survived so longB. To emphasize the historical importance of Archimedes’ ideasC. To emphasize the difficulty of are storation projectD. To imply that(待補(bǔ)充)Section1答案1B2C3CD4B5A6D7A8B9B10C11D12B13D14C15C16A17ADSection2答案1C2A3B4A5B6A7AC8D9A10B11C12A13BC14C15D16B17C