When was the world's first computer finished? A. In 1946. B. In 1948. C. In 1950. D. In 1960.( )5. Who invented the World Wide Web in1990? A. Albert Einstein. B. Alexander Fleming. C. Tim Berners-Lee. D. Eckert.二、判断正误( )1. The atom is the smallest particle of ...
Poliois a disease that used to paralyze more than 25,000 people each year before the polio vaccine was invented. Now children are vaccinated against it at 2 months, 4 months, between 6 and 18 months, and between 4 and 6 years. MMRis another combo vaccine that protects against measles, m...
was invented(invent)by people,not computers,and it reflects the creativity of the human race.That is why when I wind up my watch,it starts, (10) but when I wind up this passage,it ends. 答案(1)learning.考查动名词。句意:你有没有问过自己为什么人们学习英语总是...
In 1913,an item called the Erector Set was invented. It was a steel,motorized toy that children could use to build models of anything. Its creator was A.C.Gilbert,a medical doctor.Charles Pajeau created a similar wooden set called Tinker Toys in the year 1914.Tinker Toys were made for ...
The modern day digital storage oscilloscope is dramatically different from the cathode ray oscilloscope German scientist Karl Ferdinand Braun invented in 1897. Technology advances continue to provide new features that make the oscilloscope more useful to engineers, but one of the most significant transform...
Who invented shredder machine? The first machine-run shredder was created in 1935 byAdolf Ehinger. Adolf printed anti-Nazi materials and realized he needed something to dispose of them. He was inspired by a hand cranked pasta maker, but he later created one with an electric motor. ...
Also, most of this story was reported to me by friends. I wasn’t there for most of it. To set up the scene, I went to a fairly small school. In 1992, we were the near-culmination of the pre computers-run-the-world era, something for which I can not thank fate enough. Before...
"I used to think that it's not an issue for me to provide, for the aged," said Wang, whose parents and parents-in-law all enjoy pensions and medical insurance.But last year Wang s father suffered a serious illness and afterward Wang began to feel the pressure on his shoulders. After...
Lilly’s father was a stubborn man who___took “no” for an answer.He___Lilly to find a job.With small hope of gaining___,each day she would just ride to the city,walk___about and return home at dusk.On one of her___,Lilly saw a sign at a big company.___,she knocked...
I also brought doctor bills and insurance notices. Mrs. Dorman at the end of my route got a package from the Home Shopping Network almost every day. She was an older lady, who'd turned 78, and I liked being able to bring a little joy into her life with my delivery. She got her ...