carbon dioxide and water C. oxygen and water D. helium and hydrogen 相关知识点: 试题来源: 解析 C。解析:“They have found that it has an atmosphere similar to Earth's, with the presence of oxygen and water.”,新行星的大气层与地球相似,存在氧气和水。反馈 收藏 ...
The Earth is 1___ amazing planet with beautiful forests. Some of the trees are so tall they reach high into the sky. There are so many exciting 2___ (place) on our amazing planet to 3___ (explore). 4___, many areas are now in 5___ (dangerous) because 6___ (we) cut down...
解答 答案:D 根据with the population increasing可知,这是两者"人口增长"前后之间的比较,应该用比较级形式;本句由We will have no other choices if it gets a lot可知,表示"数目更大";又根据a lot+形容词比较级,此处表示"人口数字更大",形容词big的比较级是bigger,故选D. 点评 判断形容词或副词的比较级...
It is too faint to see with the naked eye. Proxima Centauri temperature is in the range of between 2,400 to 3,700 Kelvin. A star's size doesn't determine a star's temperature, the majority of the largest and smallest stars in the Universe are red stars. Red stars are also ...
Asteroids have pummeled Earth in the past, leaving sizable impact craters and evidence of a once dangerous solar system. Here are some of the largest impact craters found on Earth.
Sam One ingenious idea to cool the planet involves spraying diamond dust in the sky to deflect the Sun’s rays. Neil Amazing! But before we find out more, I have a question for you, Sam. Spraying diamond dust in the sky sounds...
2Starting with the ___ that there is life on the planet Mars, the scientist went on to develop his argument. A.premiseB.pretextC.foundationD.presentation 3 Starting with the ___ that there is life on the planet Mars, the scientist went on to develop his argument. A) premise B)...
Unit 8 Our Blue Planet 第一课时 Preparing for the Topic 1. planet /'plæ nɪt/n.行星 2. ocean /'əuʃn/n.大海,海洋(the ocean) 3. metre /'mitə(r)/(meter AmE)n.(20) 4. kilometre /kɪˈlɒmɪtə(r)/;/kɪˈlɑːmɪtər/ (kilometer AmE)n....
The planet's atmosphere protects it from meteoroids. 行星的大气层保护它不受流星体的侵害。 Bubble(气泡): Bubbles formed on the surface of the boiling water. 沸腾的水面上形成了气泡。 Gas(气体): The scientist experimented with different types of gases in the laboratory. ...
Earth is the third planet from the Sun and it is the fifth-largest planet. Earth’s orbit around the Sun is 365.25 days, rotating on a tilted axis which is responsible for the four seasons. Earth’s gravity interacts with the Moon, its only natural satellite, helping to stabilize Earth’...