第一项伟在的发明是一个现今都还非常重要的发明，那就是车轮。车轮使携带重物及长途旅行更容易。在它被发明后的四百年内，几乎再没有象它一样有影响力的发明了。然而在十九世纪初期，这个世界开始发生了变化，世界上几乎没有未知的土地剩下了。人们不必再去探索更多，取而代之的是，他们开始工作以使...
aIndeed, many of the twentieth century.s greatest inventions, including the television, radio, radar, and penicillin, were not commercialized until decades after they were invented. 的确,在他们被发明了之后,许多20世纪.s最巨大的发明,包括电视、收音机、雷达和青霉素,未商业化直到数十年。[translate]...
The computer was one of the great inventions of the twentieth century. 电脑是二十世纪其中一项伟大的发明物。 After five years of "open innovation" half of the company's inventions come from outside. “开放式创新”五年之后,公司创新的一半来自外部。 The law did not yield many inventions, ...
In the early 19th cen-tury, the first trains began to car-The wheel ry passengers. At the start of the20th century, cars became popu-lar. Without the wheel, we would not have these inventions.Alexander Graham Bell in-vented one of the first practical telephones in 1876. Since then,...
1.greatinventions伟大发明 2.changetheworld改变世界 3.liveagood/betterlife活的好/更好 4.inhistory历史上 5.intheearly19thcentury19世纪初 6.atthestartofthe20thcentury20世纪早期 7.sincethen自那以后 8.allowsb.todo允许某人做某事 9.keepintouchwith与…保持联系 10.intheevening在夜晚 11.inthedaytime在...
aFour hundreds of years after that there were few inventions that had as much effect as the wheel. Then in the early 1800s the world started to change. There was little unknown land left in the world. People didn’t have to explore much any more. They began to work instead to make ...
Which of the following is TRUE about the early development of TV? A. In the 1930s, TV signals became very easy to receive. B. During World War Ⅱ, TV sets went into lots of families. C. After World War Ⅱ, TV was invented. D. TV developed fast in the 1950s. The underlined se...
2. three of the most important inventions三个最伟大的发明 3. faster and more comfortable 更快更舒服 4. a few thousand years ago 几千年前 5. in the early 19th century 在 19世纪初 6. at the start of 在 ……开始...
If you're curious about the inventions that followed in the 20th century,read this piecedetailing early 20th-century inventions such as the computer, television, lie detector, and even teddy bear, and this oneoutlining inventionsin the late 20th century....
6、l invented one of the first practical telephones(3) In the early 19th century c. The first trains began to carry passengers (4) At the start of the 20th century d. Thomas Edison developed the first practical light bulbSecond readingRead the passage again and do the T/F exercises.1....