解析 million 考查名词.根据语境"几百万年前,我们的地球完全不同",因为million加s的只有一种情况 millions of …意为"数百万的" ,考虑用提示词的原形形式.故答案为 million.几百万年前,我们的地球完全不同.根据提示词填空,先要通读句子,理解大意,再联系语境变换恰当的词形,方能正确解答....
【题目】A few__(million) years ago,ourEarth was quite different . 相关知识点: 试题来源: 解析 【解析】考查名词.根据语境"几百万年前,我们的地球完全不同",因为million加s的只有一种情况millions of.意为"数百万的",考虑用提示词的原形形式故答案为 million 反馈 收藏 ...
adinosaurs lived on earth for more than 150 million years.then,suddenly,they all died out.nobody knows why.however,we can learn about them from their fossils. 恐龙在地球上居住为超过150百万years.then,突然,他们所有死去的out.nobody知道why.however,我们可能得知他们从他们的化石。[translate]...
翻译：Dinosaurs lived on Earth more than 60million years before human beings.They lived everywhere on Earth.Some dinosaurs were as small as chickens.Others were as big as ten elephants.Some could even fly.恐龙生活在地球上比人类早六千万年。他们生活在地球上的每一个角落。有些恐龙和鸡...
考查therebe句型和时态。句意:在过去的5亿年里,地球上有五次生命几乎灭绝。根据句中时间状语In the last 500 million years可知,用现在完成时。表示“有”可用there be句型。“5次”翻译为 five times,为复数形式,谓语动词用have。故填have been five times。反馈...
2. In the last 500 million years, there have been five timeswhen life on Earth has almost ended在过去的五亿年中,地球上出现过五次生物几乎全部灭绝的情况。(when引导定语从句 答案 答案见上相关推荐 12. In the last 500 million years, there have been five timeswhen life on Earth has almost end...
66 million years ago. (For additional information on the risks posed by cosmic impacts and the chances of their occurrence,seeEarth impact hazard.) The dominant climate variations observed in the recent geologic record are theice ages, which are linked to variations in Earth’s tilt and its or...
The Earth is about 4,600 million years old. People live on Earth for only 35,000 years. But we change (改变) the Earth in many ways. Many things we do are good, but some are not good for the Earth. Water pollution A lot of people, birds and fish die each day because of water...
This immense mountain range began to form between 40 million and 50 million years ago, when India and Eurasia, driven by plate movement, collided. The tectonic crash led to the jagged Himalayan peaks, according to USGS. 38. Kilauea is not the most active volcano (Image credit: Getty Images...
one companyat the forefront ofthis work, first made headlines for its ambition to de-extinct thewoolly mammothwithin a few years. Most recently, it announced a new project aimed at bringing back the dodo, raising fresh questions about our relationship with the natural world and the consequences...