Scientists always want to know more about the universe.Years ago they knew many things about the moon.They knew how big it was and how far away it was from the earth.But they wanted to know more about it.They t
Thereadingismainlyabouthowtohelpbuild a healthierplanet.【答案】The reading is mainly about how to help build a healthier planet.【核心短语/词汇】mainly主要地;healthier更健康的【翻译】这篇阅读主要是关于如何帮助建立一个更健康的星球。【解析】本题考查句子翻译。“这篇阅读”可以翻译为“The reading”;...
We live in a ‘throwaway culture‘, where many of our things aren’t built to last. Each year, every house in the UK produces about1 tonne of waste– that’s about the same weight as agreat white shark! What’s worse, is that60%of what we throw away, is actuallyrecyclable! That’...
D One of the greatest mysteries in science is just how Earth went from a planet with minimal oxygen to the breathable air we have now. Scientists long figured that cyanobacteria(蓝细菌) were involved, but couldn't tell what started the great oxygen-producing cycle. A new study published in ...
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Our goal is to highlight novel and interdisciplinary approaches that address aspects of core formation and evolution at the atomic, grain, and planetary scales.doi:10.2138/am-2015-5205Tracy RushmerEarth and Planetary Sciences, Macquarie University, Sydney 2192, AustraliaHeather C. Watson...
阅读理解Blue Planet I's latest episode focuses on how plastic is having a disastrous effect on the ocean and slowly poisoning our se a creatures. Researchers recently also found that se a creatures living in the deepest place on Earth, the Marian a Trench, have plastic in their stomachs. In...
through coverage of the 3rd World Water Forum. Now under way in Japan, the forum is billed as the most important meeting on freshwater resources ever held. But its organizers' plans for a high media profile have been undone by the crisis over Iraq — all in all, this must be a depressi...
通读全文,尤其是第一段中“The planet is in trouble,and a gas-car ban just might help. But how will it affect you? Cars are not small investments... there was a mixed re- sponse.”可知,地球正陷入困境,加利福尼亚州八月份宣布禁止 燃油汽车,其他州也要效仿,但是人们的反应不一。文章主要介 ...
Planet Earth is a clock How Long Is Today? Today is predicted to be 0.5015 ms (milliseconds) or 0.0005015 seconds longer than 24 hours. This is the time it takes Earth to rotate 23.32 cm (9.18 in), as measured at the equator.