being 表示你现在就是，而to be 表示你将是，或者表示为了成为。如：To be an actor, I have to learn a lot of things about performing. 为了成为一名演员，我得学习许多有关表演的东西。
scientist Lawrence Meinert of the U.S. Geological Survey (USGS): neither “reserves” nor “resources” are the same as “all there is.” some mines have had 20 years’ worth of “reserves” for more than a century. world reserves of almost all commodities are greater now than they ...
as of 2004. The population danger is a result of the species' reliance on streams that are continuously being affected by a variety of factors, including dams. The natural habitat of the Japanese giant salamander is made up of mountains and streams with rapid moving waters. ...
1. What can we learn about the human brain from the information above? A.Men’s and women’s brains are very different at birth. B.Everyday things that you forget will disappear forever. C.Forgetting is a healthy brain function and it might be a good thing.2. Which is NOT a reason...
The growth of published science in recent years has escalated the difficulty that human and algorithmic agents face in reasoning over prior knowledge to select the next experiment. This challenge is increased by uncertainty about the reproducibility of p
Comprehensive and meticulously documented facts about freedom of speech. Learn why the founders of the U.S. included free speech in the Bill of Rights, how courts have ruled in such cases, and much more.
From there on, things got a little weird. Each scientist had to pick through their own poop to find the toy part again. To lighten things a bit, they came up with fitting tags for their rating systems. For days beforehand and during the retrieval phase, they graded stool consistency ...
Despite being almost entirely self-taught, Franklin later helped found the school that became the University of Pennsylvania and received honorary degrees from Harvard, Yale, the College of William and Mary, the University of St. Andrews and Oxford. ...
Learn about Isaac Newton. Discover his contribution to the fields of science and art, and his role in the Scientific Revolution in the 16th and...
This article is about the small spaces of the city we call 'places'. Places are shaped by being lived in; they are spaces of encounter where the little his... JOHN,FRIEDMANN - 《International Journal of Urban & Regional Research》 被引量: 123发表: 2007年 Potential hotspots identified by ...