What do you think is the most important invention in history? The wheel. Without this invention 1 of what we have now would have been possible. The wheel is one of the most important 2 in human history. It is also one of our oldest and greatest inventions. Scientists today still don't...
the really important event in the South Atlantic during 1982, the ‘crisis’ as far as the future of mankind is concerned, was not the Falklands war, but something that took place even further south – the identification, by British scientists, of the hole in the ozone ...
This invention helped other scientists to make the modern light bulb we use today.A. There are over 1,000 uses for it.B. However, none worked very well.C. It can also be found in other parts of the world.D. Chinese people like drawing pictures of bamboo.E. The fastest growing plant...
Students and scientists flocked to the institution. The university boasts such graduates as historian Abdurahman Ibn Khaldun, the doctor and philosopher Abu Walid Ibn Rushd, the Andalusian doctor Musa Ibn Maimonou, as well as Gerbert of Aurillac, who became Pope Sylvester II. Besides providing ed...
The individual chapters were written by leading scientists in the field from industry and academia to address specific processes and products that are or will be soon commercialized. Examples include the use of a chloroaluminate ionic liquid as a next-generation alkylation catalyst to a new class ...
Scientists agree that there are at least five kinds of salt in China. These kinds of salt are important for Chinese people's life and the development(发展)of China.Salt also plays a big role in Chinese culture. Salt and the things like rice and te a make up the"seven necessary things ...
pair had discovered the “afterglow” of the big bang – radiation emitted not long after the big bang, when the universe was very hot and dense. As the universe expanded, this high-energy radiation stretched into low-energy microwaves. The scientists won a Nobel Prize for their work in ...
Stephen Hawking, one of the world's most important scientists, believes that to survive, humans must move into space: "Once we spread out into space and establish independent colonies, our future should be safe, " he says. Today, the European Union, India, China, Russia, and Japan are al...
The scientists cite a definition of "workaholism" as "being overly concerned about work, driven by an uncontrollable work motivation, and vesting so much time and effort in work that it impairs other important life areas. 2018年12月六级真题(第一套)阅读 Section B Their approach is flexible enou...
24.—I’ll do my best to help the people who are in trouble. —___ I hope you can keep your promise. A.A door must be either shut or open. B.A work ill done must be twice done. C.An honest man’s wor...