NARRATOR: Listen to part of a lecture in an astronomy class. MALE PROFESSOR: Last week we discussed the formation of Earth and the other rocky planets—the planets in the inner solar system.Uh, s-so, what about the gas giants?Jupiter, Saturn, Uranus, and Neptune. ...
What is the main purpose of the lecture? 托福Z托福 02 - Moon formation 材料音频 去精听 查看全文 题目 L1 123456 A . To compare the composition of the Moon with the composition of Earth B . To explain the significance of moon samples obtained by Apollo astronauts...
A . To compare the composition of the Moon with the composition of Earth B . To explain the significance of moon samples obtained by Apollo astronauts C . To discuss theories about the early development of the solar system D . To discuss problems with explanations for the origin of the Moon...
. To describe changes in the chemical composition of the atmosphere . To measure the degree of chemical weathering of rocks . To find out how oceans affect global temperatures . To trace the movement of rock over time5、What is the professor’s opinion about the Snowball Earth hypothesis? ....
Narrator: Listen to part of a lecture in an astronomy class. Professor: Last week, we discussed the formation of Earth and the other rocky planets, of the planets in the inner solar system. So what about the gas giants? Jupiter, Saturn, Uranus and Neptune. Well, there's two theories, ...
OK, comets and asteroids… it might help if you think of… Remember we talked about the two classes of planets in our solar system?And how they differ in composition…[reviewing] the terrestrial planets like Mars and Earth…composed largely of rocks and metals,and the large gas giants like...
It is the general name of Chinese national drama culture. 现代戏剧主要指的是20世纪以来从西方传入的话剧、歌剧、舞剧等,话剧是主体,外国戏剧一般专指话剧。 Modern drama mainly refers to the drama, opera and dance drama introduced from the West since the 20th century. Drama is the main body, ...
Question1of6 What is the main purpose of the lecture? A. To show the connection between asteroids and Saturn’s rings B. To discuss theories about the formation of Saturn’s rings C. To describe the composition of Saturn’s rings
The hottest layer of the Earth is its innermost layer, the inner core. Quite literally the center of the Earth, the inner core is solid and can get to... Learn more about this topic: Earth's Crust | Layers, Composition & Temperature ...
53. Mr. Brown ___(live) in London for ten years by the end of last month. 54. How many English words ___ you ___(learn) by the end of last term? 55. ___ they ___(pick)all the apples before the farmer got there? 56. I didn't return the book...