This is because snowflakes are made of tons of water molecules that have became linked to one another, usually forming around a central point of dust or dirt. Scientists call this nucleation. “所以就形成了这么一个极小的微观异物,”本尼迪克特说,“从而使得水分子有所依附。” “So there's this...
As if to put us in the mood for winter, the Washington Post has a fascinating feature explaining why no two snowflakes are the same: Newly formed snow crystals with only a handful of molecules would be nearly impossible to distinguish. But that’s not really the issue. We’re talking ...
D. None of the above. 相关知识点: 试题来源: 解析 A解析:第一段的第一句说,没有两片雪花是同样的,最后一句说Libbrecht... is confident that the statement is true。这里的statement指的就是“no two snowflakes are alike”这句话。所以A是正确选项。反馈 收藏 ...
On the ever-thorny question of identical snowflakes, Nelson remains diplomatic: "Some simple plate crystals may appear exactly alike. . . . When it comes to more complicated snow crystals though, odds are that no two are exactly ... E Bush - 《Bulletin of the Center for Childrens Books》...
are all unpredictably alive. Our adult character is created out of all of these forces and is absolutely unique. No two snowflakes are alike, but we are all snowflakes. And we all form the same way. To understand ADHD, we need to look at differences in temperament, as well as the ...
SnowflakesYou've probably heard that no two snowflakes are alike. Of course, nobody has ever confirmed that statement by examining every one of the estimated one septillion snowflakes that drift to Earth each year. Still, Kenneth Libbrecht,..
staggeringly complex constructions. However, the snow crystals from which the flakes are constructed – only visible under an extremely powerful optical microscope – resemble hexagonal prisms. While there is variety, it is incredibly limited, easily allowing a person to spot two that are identical....
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During the special, this plays while the kids are catching snowflakes on their tongue, and that indelible image always appears when I hear the song. While Guaraldi’s piano is undoubtedly the star, credit also must be given to drummer Jerry Granelli and bassist Fred Marshall, especially for ...
Word of the Emperor's refined habits spread over his kingdom and beyond. Two scoundrels who had heard of the Emperor's vanity decided to take advantage of it. They introduced themselves at the gates of the palace with a scheme in mind. "We are two very good tailors and after many years...