What was Earth's early atmosphere like? Earth: Within our Solar System, Earth is the only known planet that is able to support life due to its atmosphere and biosphere. Although it supports life very well today, Earth had not always been as habitable. ...
根据第一段中的Meteorites (陨石) can offer clues about what the early solar system was like.(陨石可以提供关于早期太阳系的线索。)可知,科学家研究陨石的目的是探索太阳系的过去。因此D项Toexplorethepastofsolarsystem(探索太阳系的过去)符合题意,故选D。(2)细节理解题。根据第二段中的Drone-based searches...
creatureandIthoughtitwassmilingatus.You couldstillheartheoperaticsoundsitwasmaking underwater.” Therealizationthatthisisapreciousland,to berespectedbyhumans,wasoneofthebiggest thingsthathithometoGinni. 8.Whichofthefollowingbestexplains“takethe plunge”underlinedinParagraph2? A.Trychallengingthings. B.Takea...
押成都B卷 完成图表 本题测试的主要目的是综合考查学生的篇章结构、主题归纳、整体理解、细节分析与推断的能力,同时还考查学生形成思维导图、解读表格形式以及准确转换信息和正确表达输出等能力。试题设置主要是帮助学生理清文章脉络,训练学生观察、分析、归纳的能力以及对篇章、句子、词汇的理解与思维转换能力。该题对学生...
It is used mainly as decorations to create a festive atmosphere. It is widely believed in China that red paper cuts can bring good luck and best wishes to the whole family. You won't find paper cutting difficult as long as you keep p...
15. What was Prof. Stone’s grandfather afraid of? A. Leaving his home. B. Parting from his son. C. Taking early retirement. 16. What does old age mean to many elderly Americans? A. Lack of moral support. B. Loss of self-worth. C. Change of living habits. 17. What will Pro...
“I like your robot,” said Lily. “Thanks. But his head is broken, and I can't 8 it,” said Sam. “Hmm,” said Lily. She came up with an idea. She ran away and ran right back with an old hat.“Remember this hat ” asked Lily. “I wore it when I was a baby. Now it...
7. What will the woman probably do next? A. Wash the fruit. B. Stay with the man. C. Leave for work. 听第7段材料,回答第8、9题。 8. What was the lecture about? A. Seeking jobs. B. Telling jokes. C. Being patient. 9. What is the man’s dream?
2. What was Salt Lake City officially called before 1868? A.“Great Salt Lake”. B.“Great Salt Lake City”. C.“Crossroads of the West”.3. What brought economic growth to Salt Lake City in the early 1900s? A.The sports game. B.The tourist industry. C.The construction of railroad...
Ocean temperature reflects the climate. This can be used to find out what the climate was like before, during, and after dinosaurs became extinct. But unlike other scientists, paleontologists cannot go into a laboratory and repeat experiments. They can only untangle history by examining fossils. ...