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单选题 On June 5,1972, the United Nations Conference on the Human Environment was held at_______
学科：默认课程
时间：2025-12-08 10:56:07
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题目1单选题
In 1876, Alexander Graham Bell invented the ________A. telephoneB. light bulbC. bifocal glassesD. sewing machine
题目2单选题
Louis Jacques Mand Daguerre invented _________A. photographyB. electricityC. telephoneD. sewing machine
题目3单选题
It was Howe, however, who came up with significant refinements to the design concepts of his predecessors, and on September 10, 1846, he was awarded the first U.S. Patent (4,750) for a _________using a lockstitch designA. telephoneB. cotton ginC. sewing machineD. photography
题目4单选题
_____________in the United States began in 1861, and ended in Confederate surrender in 1865A. American War of IndependenceB. The Spanish-American WarC. The Mexican-American WarD. The Civil War
题目5单选题
As the American Industrial Revolution advanced, metallurgists(冶金学家) would develop alloys making steel (another 19th-century innovation) even stronger, allowing for the construction of the first skyscraper in 1885 inA. New YorkB. ChicagoC. PittsburghD. Newark
题目6单选题
The automobile was first invented in 1885 by ________A. German Karl BenzB. American Thomas Alva EdisonC. American Henry FordD. American George Westinghouse
题目7单选题
American Industry was transformed again by ________'s pioneering use of the assembly line in the manufacturing processA. Karl BenzB. Henry FordC. Thomas Alva EdisonD. Elias Howe, Jr
题目8单选题
On June 5,1972, the United Nations Conference on the Human Environment was held at_______A. Stockholm in SwedenB. London in EnglandC. Paris in FranceD. New York in America
题目9单选题
World Environment Day was set on_______A. June 5B. July 15C. June 1D. Octoboer 1
题目10单选题
the Theme of 2020 World Environemnt Day is ______A. Time for NatureB. Beat Air PollutionC. Lucid Waters and Lush Mountains are Invaluable AssetsD. Kick the Habit!Towards a Low Carbon Economy
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