试题详情
短文填空-首字母填空 0.4 引用3 组卷114
Fill in the blanks with proper words (在短文的空格内填入适当的词,使其内容通顺。每空格限填一词首字母已给出)

Charles Babbage: Father of the Computer

Charles Babbage hoped to invent a calculator. But the technology of his time was too simple. Babbage could not make his dream come true.

All his life, Baggage was interested in n【小题1】. For example, he could find out how f【小题2】 a pig’s heart beats or make a table to calculate how much wood a man could saw (锯) in 10 hours.

Baggage was also an inventor. Around 1830, he decided to d【小题3】 and build a machine for doing simple mathematical calculations. He called this machine the Difference Engine.

Making the machine

The Difference Engine was very big and difficult to make. It was made of two tons of steel and gears (齿轮) . While he was building this h【小题4】 machine, he had an idea for a new machine. This one would do all kinds of calculations. He called it the Analytical Engine. It was the start of the modern computer. But Babbage used up all his money b【小题5】 he could complete either machine.

Re-inventing the Engine

In 1854, two Swedish inventors built a working mechanical calculator. It was b【小题6】 on the Difference Engine. This machine was able to print out different kinds of forms and tables. It was very accurate.

Babbage was the first person to come up with the idea of computers. And he is more famous today than he w【小题7】 in his day.

22-23七年级下·上海·单元测试
知识点:发明与创造科学技术科学家叙事忆旧 答案解析 【答案】很抱歉,登录后才可免费查看答案和解析!