第二节(共10小题;每小题1.5分,满分15分)阅读下面短文,在空白处填入1个适当的单词或括号内单词的正确形式。When BBC's Planet Earth came
阅读理解A Biggest Unsolved Mysteries About the Earth Mystery 1: When did plate tectonics(板块运动) begin?Part of the reason that forecasting earthquakes is so difficult comes from the fact that we don't know much about the process that causes them: plate tectonics. The Earth's crust is made...
The sound was surely deafening, but what other choice did I have? Mrs Lim burst into tears. I tried my very best to comfort her, telling her that everything would be all right and that we needed to find ou...
How did life start on Earth? It seems possible that the origin of life on the Earth's surface could have been first prevented by an enormous flux of impacting comets and asteroids, then a much less intense rain of comets may have deposited the very materials that allowed life to form some...
When did planetary accretion end? The terrestrial embryos grew to about 0.05 Earth masses ( M⊕) and ceased accumulating matterabout 100,000 years after the formation of the Sun; subsequent collisions and mergers between these planet-sized bodies allowed terrestrial planets to grow to their present...
When dinosaurs roamed the Earth 90 million years ago, the planet was much warmer, including Antarctica at the South Pole. But in a surprising twist, researchers have discovered evidence that Antarctica also supported a swampy rainforest at the time. Researchers captured a slice of the seafloor us...
解析 D句意:当地球和火星这两个行星彼此距离最近的时候,从地球出发的宇宙飞船大约需要8 个月的时间才能到达火星。考查相互代词辨析。one another互相,用于三者及以上;some others 错误搭配;one other错误搭配;each other相互,用于两者之间。由 the two planets“这两个行星” 可知each other切合语境,故选D。
Though a Full Moon only occurs during the exact moment when Earth, Moon, and Sun form a perfect alignment, to our eyes, the Moon seems Full for around three days. RELATED:20 things to see on the Moon Different names for different types of Full Moon ...
24. How did the author feel about joining the OIC project in the beginning? A. It would affect his/her initial plans. B. It would involve traveling overseas. C. It would not bring him/her a good grade. D. It would not live up to his/her expectations. 25. What mainly helped the ...
Ifoundthattheurge(冲动)wasalreadynotthatstrongandthatmyabilitytofocusimproved.Idiscoveredthattheworldisabeautifulplace.Before,Iwouldlookatitthroughmycameramostly:takeaphoto,postit,getsomelikes.Now,IsawbeautifulpeoplewalkingaroundandIsensedtheseasonschange.Icouldunderstandtheactualbeautyoftheworld,andIdidnotneed...