单项选择题

Charles Babbage, an English academic, ______.

A．tried to use computers in production processes
B．first used computers in the area of cost accounting
C．was the father of modern computers
D．tried scientific approaches to calculate the costs

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单项选择题

According to the passage, what was badly needed to improve industrial efficiency

A．Great breakthroughs.
B．Unlimited purchasing power.
C．Science and competition.
D．International competition.

单项选择题

After the bombing of Guernica, the Germans ______.

A．managed to launch the Spanish Civil War
B．frightened the whole world into silence
C．went on to wipe out Dresden and Hiroshima
D．did not admit their crime