阅读下列材料，在空格处填入一个适当的词或使用括号中的语法的正确形式填空。

Among the few scientists who have had a great effect on science and history, Albert Einstein is perhaps the   41  (great). An American university president once commented that Einstein had created    42   new view of the universe(宇宙). His theory has completely changed the way scientists understand time and space. Now, more and more people agree that the universe is something more complicated（复杂的） than    43   they have ever thought before.

Einstein    44  (bear) in Germany in 1879. In 1914, young Einstein, already internationally famous, became a professor（教授） at an institute in Berlin. He had few duties, little teaching and unlimited opportunities for study. However,   45   peaceful life was soon broken by the First World War.

Einstein hated violence（暴力）. He was deeply affected （影响）by the war; he sat    46  (happy)in his office doing nothing and    47  (lose) interest in his research. Only when peace came in 1918 was he able to get back to work.

In the years    48  (follow) the First World War, people showered honor upon him. He became the head of the Kaiser Wilhelm Institute of Theoretical Physics. In 1921 he won the Nobel Prize    49   Physics and was greatly honored and respected in Germany. However, his life was again disrupted. The Second World War broke out and Einstein had to moved to the US,   50  he lived until his death in 1955.

41.greatest　     42.a　　43.what　 44.was born     45.his  

46.unhappily　    47.lost   48.following   49.for    50. where