One long-distance flight consumes fuel which a car uses in several years' time, but they cause the same amount of pollution. So, some people think that we should discourage non-essential flights, such as tourist travel, rather than limit the use of cars. To what extent do you agree or ...
下行区段（上、下行供电臂）停电检修作业的天窗，整治某区间下行线051号接触网支柱杆避雷器隐患时，接触网工印X在登杆挂设地线时被短路电流击伤，造成全身多处电烧伤50%（浅Ⅱ°7%，深Ⅱ°33%，Ⅲ°10%），左食指干性坏死，构成铁路交通一般B类事故（B2）。一、施工天窗计划实施情况⑴接触网工区9...
Man: Well, in the 1960s people2.(ride) in cars on wide roads. And, they could also fly in planes from Europe to America in3.few hours. Woman: What about the 1900s? Man: In the early 1900s there were very few planes. To see one was4.unusual that the people of a town stopped...
And what’s more, life is short. So treasure these friends if you have already had them. If you don’t continue to search, because once you have them, life becomes so much easier to live, no matter what happens. I have been through pretty rough patches and I dare say, without my ...
Our research finds that properly designed audio beacons (音频信标) offer a much more active form of GPS navigation. For example, with an audio beacon at a hospital, when we are two miles away from the hospital, we can hear a sound through our phone. In recent experiments, we discover ...
How do you become a skydiver and how much does it cost? In this article, we will answer all of these questions and many more. The next time you watch someone skydiving on TV, you will have a whole new appreciation for what's going on! Let's start by looking at what a typical ...
In the1960s and 1970s, 31 there were many bikes running on the street, we call China“the kingdom(王国) of bicycles". I think of all those bikes, “ErBa" bikes were the most 32.Almost every home had one. But now most bicycles disappeared(消失), 33 “ErBa" bikes.The cars and e...
For Chai Lin, the answer is 1,300 or more.Bicycles were first introduced into Chin a in the 19th century. During the past years, they have changed from a symbol of wealth(财富的象征) to a common(普通的) means of transportation.In the 1960s, when Chai Lin saw some people riding th...
How a 1950s Concept Became One of the Most Popular Cars of the 1960s
This changed at the beginning of the 1970s with the planning of the next model of the Neue Klasse. According to BMW historian Dr. Annika Biss, group management aspired to develop “a more intuitive solution for the naming of model series.” Giving cars an actual name, such as with the ...