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s theory of relativity and the 50th anniversary of his death. In 1905 Einstein published five highly important essays in the history of science, thus revolutionizing physics. His great achievements can be credited to his impressive powers of imagination, constant questioning, and not giving a fig for authority. It is beyond doubt that Einstein was the greatest scientist in the 20th century. 。 creative imagination. 4) As there were some major design flaws, the board of directors didn39。2)Einstein spent many years trying to unify the theories of electromagnetism and gravity but failed. 9) utilized7)achievement 5)vision 10) imagination 2. 1) extent 9)remarkable/impressive 6) flaw asComprehensive Exercises 1. Cloze1. 1) caution 5) as/like 4) 2) as 6) With the fog lifting during the nightIII. 1) like/asWith all the shops closed 3) With our GDP growing steadily 3) outbreak of/ has undermined / has strained II. 1)With Christmas only a week away 5)...the outbreak of the Second World War. 4. 1) flaw/came to the conclusion/would get nowhere 3)...on the foundations of an agricultural revolution 10)believe in3. 1)...provided inspiration for many artists and musicians over the decades.7)call forth 3) taken in 12) undermine 2. 1) approve of11) mess8) intuition 9) trifle 7) reality 5) fabric4)stimulating2) looset leave the door on the latch if you happen to be the last to e in. If you decide to buy a sophisticated electronic alarm system, be sure to ask for its signs and put them up on both windows and doors. In addition you may have it hooked up to a police station.UNIT 4Vocabulary I. ) accordingly3) With regard to our term paper, the professor asked us to analyze the unemployment chart first, and then provide critical reflections on the nations economic development. 4)It never occurred to him that their team would win the basketball match by a large margin.5) Looking back on my twenty years39。10)signsII. Translation ) The Internet is changing the way people live, (no matter) whether they are in urban or rural areas.7)thieves 6)sophisticated 4)electric 3)shift 2)liable 9)reflection 7)barrier 6)vulnerable 4)stood for 3)era 2)rural 5)His poor health is not unrelated to his unhealthy way of life. Comprehensive