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1【题文】 What if the Moon had never existed? For starters we know that the geophysical and climatological history of the Earth would have been different. Although there is still large uncertainty about how the Moon was formed, the most currently favored theory describes a disastrous collision ...
Nature has an immense power to take over everything if humans are not around to maintain them. Even the strongest structures are not immune to the elements. For example, a small hole in the roof of a barn, just 18″ x 18″, can let in the elements and cause the entire structure to ...
and illness causes change. If a person is infected with a virus or bacteria, for example, their odour will be abnormal, and dogs are able to smell that change even if a human can't, because dogs have a much more powerful...
From my perspective, education is one of the most marvelous social inventions that ever existed in human history. Without it, the whole globe can never continue developing further in a civilized and prosperous direction. 第二套 面临不...
If the asteroid had missed Earth, it's likely that humans, at least as we know them, never would have existed. "History would have been totally different," Brusatte said. "Our exact ancestors surely would have never had their chance to evolve." TOPICS Life's Little Mysteries Sarah...
The problems we humans are facing are not caused by any one nation and cannot be fixed by any nation acting alone. 但是,如果许多人,也许是大多数美国人把注意力集中在短期问题上,他们就不会注意到这些问题,直到为时已晚。 But if many, perhaps most, Americans keep their focus on short-term ...
With the discoveryof the three new fossils researchers can say with more certainty that Homorudolfensis really was aseparate type of human that existed around two million years ago alongside other species ofhumans. News 3: Picasso's Nude Woman in a Red Armchair was covered up at the Edinburgh...
It all feels as though that person had never really existed. Well intended, of course, in the name of sterility. But hospitals tend to assault our senses, and the most we might hope for within those walls isnumbness, anaesthetic, literally the opposite ofaesthetic. ...
Planets which are larger than Earth have stronger gravity. Humans are adapted to living on Earth-like-sized planets, but would struggle on larger planets. On a planet that was smaller than Earth, a person would be able to lift heavier objects and jump higher. If people do not exercise and...