这是一篇英语B口语的presentation, 花费了我比较大的心血,因此除了当做期末考试的材料,我把它传上来供有兴趣的博友参考。主要内容分三部分:月球的表面特征,撞击陨石坑和月相的成因。主要的亮点是五个以中国人命名的陨石坑位置的确定,这是我自己做的工作。注:包括解说词。 the moon-PPT和解说词
The composition and structure of the lunar regolith are of fundamental importance to the geologic study of the moon. Except lunar orbiters, earth-based radar is the most detailed measurement to provide insight into the upper 5-100m of the entire nearside hemi ...
Although I was born in the north of China, I have missed spring for several times during my university life in Kunming, the city of spring. Living in Kunming you cant distinguish the four seasons clearly for the boundaries is too dim to be recognized. So ...