Our planet is called Earth. We can live on Earth because there is air around us. Air has oxygen and other gases. All plants and animals need oxygen. They need water too and there is water on Earth. Clean air and clean water keep us healthy, so it's important to look after our plan...
根据“…design a poster that celebrates the natural world and write a pledge (保证) to protect the earth”可知,海报的目的是为了收集保护地球的誓言。故选D。 (2)题详解: 细节理解题。根据“You could draw anything from a large elephant to a tiny bee, or a scene from a forest or under ...
原文定位:A段第九句“Since the lifetime of a planet like ours is several billion years, we can ... ” (因为像我们这样的行星的生命周期是几十亿年,我们可以…) 解析:原文中的lifetime对应题干中的life expectancy, a planet like ours对应题干中的Earth,锁定答案为several billion years。
IS THERE SOMEONE OUT THERE?; New Solar System May Have Planet like EarthSCIENTISTS yesterday announced they had discovered a new solar system which could hold a planet...White, Stephen
【题目】The surface of Mars is ___like the surface of Earth than___ planet in our solar system (太阳系). A. much;the other B. much;any other C. more;the other D. more;any other 试题答案 在线课程 【答案】D 【解析】试题分析:根据题意可知用比较级;句意:火星的表面比起在我们的太阳...
We know the earth is a planet. There are seven other planets,and they go 1 the sun together. The eight planets and the sun are 2 the solar system. The first planet, 3 the sun, is Mercury(水星). It is 58 million 4 from the sun.Venus(金星) is the second planet from the sun, ...
We know the earth is a planet.There are seven other planets,and they go (1) the sun tog ether.The eight planets and the sun are (2) the solar system.The first planet, (3) the sun,is Mercury(水星).It is 58million (4) from the sun.Venus(金星)is the second planet from the sun...
Researchers have been challenging the textbook picture of Earth’s structure, which says that what happens in the planet’s dense metallic core stays there. An analysis of rocks from Hawaii’s volcanic islands has found what could be the strongest evidence yet that material is in fact leaking ...
But people said, that does not mean there is no other life in our whole solar system. Mars is like Earth in many ways. 但是人们认为,那并不代表在我们整个太阳系中都不存在其他生命,火星在很多方面都和地球十分相似。 Maybe the...
7.The earth is a planet and it around the sun.( ) A.goesB.goC.will goD.went 试题答案 在线课程 分析地球是行星,它绕着太阳转. 解答答案:A.考查时态.句意"地球是行星,它绕着太阳转.".A第三人称单数.B原形.C一般将来时态.D过去时.表示客观事实,用一般现在时态,主语it第三人称单数,谓语动词用第三...