The abacus was invented in the sixth centur//www.souquanme.comy by Chinese people.The umbrella was invented about 4000 years ago in Assyria,China and Egypt.The binoculars was invented in 1854 by Ignatio Porro in Italy.The camera was invented in 1827 by Joseph Nicephore Niepce who took the first picture.The bicycle was invented in 1880s in England.

The abacus was invented in the sixth century by Chinese people.The umbrella was invented about 4000 years ago in Assyria,China and Egypt.The binoculars was invented in 1854 by Ignatio Porro in Italy.The camera was invented in 1827 by Joseph Nicephore Niepce who took the first picture.The bicycle was invented in 1880s in England.

　【The Invention of the Bicycle】
　　A French father-and-son team of carriage-makers,Pierre and Ernest Michaux,invented an improved bicycle in the 1860's.Many early bicycles (called velocipedes,meaning "fast foot," or,more descriptively,"bone shakers") had huge front wheels —— it was thought that the bigger the wheel,the faster you could go.Early tires were wooden —— metal tires were an improvement,and solid rubber tires were added later.A chain with sprockets was added to the bicycle in the 1880's; this was called the "safety bicycle." Air-filled tires were also added in the 1880's.The derailleur gear system was added in the 1970's.
　　Nowadays,it's important for us to live the low-carbon life.So riding bicycle is the best choice for us to go around.It's not only benefit for our health and also cheaper than cars and the oil is not necessary for bicycles.The better thing is,it was so friendly to environment that it won't pr//www.souquanme.comoduce any polution.So let's go for a ride!
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　　五星级回答,一定要采纳哦,不要辜负我的辛苦劳动!
　　【来自英语牛人团】

In 1790, a French name, w//www.souquanme.comith his mind he loved so much. One day, he walked on a street in Paris, because the day rained, accumulated a lot of rain, on the road is very bad. Suddenly, from behind a carriage is rolling in and the street is narrow, the carriage is very wide, the schiff, hide to hide to fortunately not knocked down by a car, or was spattered mud and rain. Others saw it, sorry for him, but also gas straight scold, want to shout the cart stopped, reasonable representations. The schiff, but murmured//www.souquanme.com: "don't cry, don't shout, let them go." Carriage and walked away, he was standing on the side of the road, he was thinking: the road is so narrow, pedestrians and so much, why can't the carriage structure changed? Should the carriage along the cut off half, before and after the four wheels to two wheels... He thought, so home will begin to carry on the design. After repeated experiments, in 1791 the first walking "Trojan horse" of the www.souquanme.comcar made out. The earliest bicycles are made of wood, its structure is simple, neither drive, also have no steering device, cyclists on foot hard ground, change direction, and can only move the car when the car. Even so, when the schiff, ride the bike to the park for a ride, all the people present are quite amazing and impressive.