The atmosphere protects the earth. What is the atmosphere made of? A. Gas and dust B. Water and fire C. Earth and moon D. Stars and gas 相关知识点: 试题来源: 解析 A。本题考查对大气层组成的了解,大气层由气体和尘埃组成。B 选项水和火不对;C 选项地球和月亮不对;D 选项星星和气体不对...
What is the Earth Made of Thiswhat is the Earth made oflesson is a fun, hands-on earth science unit for preschoolers, kindergartners, grade 1, grade 2, and grade 3 students. We will explore the4 layers of the Earthusing a fun, informational, and easy-to-read book. Then we will di...
The atmosphere protects the Earth from harmful rays. What is the atmosphere made of? A. Water and air. B. Gases. C. Soil and water. D. Rocks and minerals. 相关知识点: 试题来源: 解析 B。大气层是由气体组成的;A 选项水和空气不准确;C 选项土壤和水错误;D 选项岩石和矿物质错误。
---What on earth made Susan weep?---___ of cheating in the exam.( ) A. A. Be accused B. B. She was accused C. C. Because she was accused D. D. Being accused 相关知识点: 试题来源: 解析 D D,考查动名词,句子的完整回答是Being accused of cheating in the exam made Susan weep...
What is the Earth's Core Made of? Based on the relative prevalence of various chemical elements in our solar system, the theory of planetary formation, and constraints imposed or implied by the chemistry of the rest of the Earth, the inner core is believed to consist pri... M Ishii - ...
So many strange worlds, with no sign of life. Not one other planet similar to our own.有那么多奇怪的世界，却没有生命的迹象。没有任何一个星球与我们的地球相似。So could it be that Earth really is unique? All living things on Earth are made of the same building blocks, long carbon-based...
What is Earth made of? Interestingly enough, we don't exactly know. We can use magnetic fields and seismic waves to measure the densities and movements of material deep in the mantle, liquid outer core, and solid inner core of the Earth, which provides clues about its composition. We know...
In that sense, Earth is probably unique. Although we may detect some life elsewhere, it will necessarily be completely different.从这个意义上说，地球可能是独一无二的。虽然我们可能会在其他地方发现一些生命，但那肯定是完全不同的。It was this mind-blowing series of improbable events that made Earth...
What elements comprise the largest portion of the Earth's biosphere? What is the upper mantle made of? What are the properties of Earth's inner core? What is the mesosphere mantle made of? What is the density of the Earth's mantle?
解析 选B 推理判断题。根据文章第七段中的“We've made remarkable ..., our future is in space.〞可知,我们虽然在过去的几百年中取得了卓越的进步,但是如果我们要在接下来的几百年中继续延续这种进步,我们将来的生活空间在太空。据此可以推断出,未来地球将不再适合人类居住。故答案为B。