. If it has one, studying the atmosphere would give us a good idea if the planet has life... distance to have an atmosphere (大气) that could protect that water, if it exists (存在) on the surface.What ……

or light background music, livestreaming study rooms have created an ideal studying atmosphere..., livestreaming study rooms have created an ideal studying atmosphere for many students.Liu Yongxing ……

desire to succeedc. worse studying atmosphered. more and more difficult examsA. ab B. bc C. bcd D. abc4 ……

by injecting powerful greenhouse gases into the cold Martian atmosphere. The gases would, in theory, melt the Martian ice caps and thicken the atmosphere. Eventually, it would make the planet similar ……

;More and more young people are sharing their experiences of studying in theme parks like Disneyland... young people are sharing their experiences of studying in theme parks like Disneyland and Universal ……

and more young people are sharing their experiences of studying in theme parks like Disneyland... people are sharing their experiences of studying in theme parks like Disneyland and Universal Studios ……

. There is a better learning atmosphere in the classroom with other students than studying by yourself...么？--I will choose to study one-on-oneLi Hao, 15, Beijing: I think studying one-on-one could be good ……

into soot (炭黑). As the soot falls, it changes and hardens (变坚固) into diamonds.Studying rain on other worlds helps us ...Studying rain on other worlds helps us ...study the atmosphere (大气层) of other planets ……

been one of the major goals of scientists studying the Martian atmosphere. Its presence could... evidence of methane in the Martian atmosphere. Methane, a gas that comes from living organisms on Earth ……

resources. At the same time, it can radiate (传播) a good academic atmosphere to the surrounding communities... president hopes to spread a good learning atmosphere and positive campus culture to the outside ……

with teachers over lunch to talk in a friendlier atmosphere," said Yu.A third-year student, Jiang Zhenhua... international students to increase communications with them.Most of the advisers are undergraduates studying ……

to study in a university instead of with private tutors because he wanted to feel the atmosphere (氛围...’t disturb the lives of other students. “Studying is to enrich (丰富) myself, not for others to see. I ……

and night make me tired. I think about studying every second of the day. The pressure makes me out.... Now I am doing just that. Studying in the top class means I have the opportunity to receive ……

called Deuteronilus about 3.5 to 4 billion years ago. At that time, Mars had a thicker atmosphere... about 3.5 to 4 billion years ago. At that time, Mars had a thicker atmosphere and a warmer climate ……

;Landing on the moon is challenging due to its lack of atmosphere. Parachutes can’t be used, so.... Landing on the moon is challenging due to its lack of atmosphere. Parachutes can’t be used, so ……