课文缩写
I began as a ____machine in 1642. It took nearly two hundred years ____ I was built as an analytical machine.I became a"universal machine" in 1936 to ____ any mathematical problem. I was very big at one time. However, as time ____, I was made smaller and smaller. I was given a family____by a network in the early1960s. I was able t0 _ my knowledge withothers ____the World Wide Web.
I have been widely used in many fields,such as incommunication, ____trade and medical____. I have also been put into robots andspace rockets to ____ the Moon and Mars.I'm glad I am a devoted friend and helper of the human race.