These models cannot predict with certainty whether a given planet could support life, but with thousands of planets to study, the models can help scientists figure out where to look first, senior author Daniel Horton, an assistant professor of Earth and planetary sciences at Northwestern, said in...
A. on which B. which C. that D. of which 相关知识点: 试题来源: 解析 A。解析:depend on是依靠的意思。先行词是the planet,在定语从句中是life depends on the planet,所以要用on which,B、C选项没有体现出depend on中的介词,D选项of which表示所属关系,不符合这里的语义。反馈 收藏 ...
【推荐1】Scientists say they discovered an earth-like planet orbiting the star closest to our planet other than the sun.It is the closest planet ever found outside our solar system that could support life as we know it.This planet is just 4.2 light years away from us.It is so close tha...
Earth is a rocky planet ___ liquid water, which is necessary for life, can exist. A.as B.which C.where D.when
planet is under big geological(地质的)stresses,which are continuously increasing,it will in the future no longer be able to support its population.Scarcity(缺乏)of resources,over-farming,lack of clean air,not enough clean drinking water and drought are some of the issues that will all play a...
Planetary(行星的) changes which will have an influence on many are drawing near because of the poor ecological(生态的) state of the planet. Actually change has already begun through climate changes, but most humans haven't noticed this yet. Climate change has begun to influence the world ...
Stephen Hawking believes that the earth is unlikely to be the only planet___life has developed gradually. [W48] Stephen Hawking believes that the earth is unlikely to be the only planet life has develop gr Stephen Hawking believes that the carts is unlikely to be the only planet ( ) life...
The Earth,our home planet,is a beautiful blue and white ball.when seen from space.The third planet from the Sun.,it is the largest of the inner planets.Earth is the only plant known to support life and have liquid water at the surface.The Earth was formed about 4.5 billion years ago....
There is lots of snow around, and the ground freezes, which can make life difficult for animals. 出自-2017年6月听力原文 That’s why horses, which also come from Central Asia, like both apples and carrots so much. 出自-2017年6月听力原文 You should live your life attempting to identify an...
解答答案:B,本题考查定语从句的关系词,限制性定语从句中不缺主语、宾语或表语,缺少地点状语,所以where 在此处引导定语从句并作地点状语,修饰先行词planet.A、C和D 三个选项都不能在从句中作状语.实际上是life has developed on the planet,但是在题目中没有on这个词,所以空格中应该填 on which=where. ...