that doors don’t want to open much more easily when trying opening them, that wind becomes even colder when facing it, that the sun becomes much hotter when under it, that cars don’t run better when driving it and the distances are longer than they were when we felt fine. Why does...
Scattered in the silent darkness are black holes-the great mystery of space.(D)1. According to the article, what causes a star to die? A. As it gets hotter and hotter, it explodes. B. It collides with other stars. C. It can only live for about a million years. D. As its g...
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In a city crazy for seashells this museum educates and amazes visitors using the wonder of cast-off exoskeletons. 17 miles from Estero Sanibel, Florida Pistol Shrimp of Ding Darling Just below the surface, shrimp are producing temperatures hotter than the sun. ...
Late last year, the engineer presented a video of his first prototype (原型) that begins by creating a single slice of dough (面团) that is cooked and printed at the same time. Then comes the tomato “sauce” — a mix of tomato powder, oil and water and finally, a protein slice that...
1. According to the article, what causes a star to die?A: As its gases run out, it cools down. B: It crashes into other stars. C: It can only live for about a million years. D: As it gets hotter and hotter, it explodes....
,然后逐步补充特征(It's round and hot. It's much hotter and bigger than a lantern.)来引导对方猜出是 “the sun”。答案示例A: It looks small and beautiful.B: Is it a flower?A: No, it isn't. It can make nice sounds.B: Is it a bird?A: Yes, you're right.考点本题考查学生对...
it,that the sun becomes much hotter when under it,that cars don't run better when driving it and the distances are longer than they were when we felt fine. Why does it happen?The things around us usually do what they should do as long as we are well and strong.But when we aren't...
The sun is so much hotter than the earth that matter can exist only as a gas, except at the core. In the core of the sun, the pressures are so great against the gases that, despite the high temperature, there may be a small solid core. However, no one really knows, since the cen...
Problems are especially acute in densely populated cities where the “urban heat island effect” can result in microclimates about 10 degrees Celsius (18 degrees Fahrenheit)hotter than surrounding areas. The phenomenon, first documented in the 1800s by an amateur meteorologist in London, occurs in ...