到目前为止,人类对地球内部的了解主要通过( )
A:地质钻探
B:研究地震波
C:地层和化石
D:实验室分析
Read and Judge.读短文,判断表格中的单词是对是错。
Hello. I am a boy. My name is Jack. I carry my bag and go to school. 1 have a pendl-case. Open my pencil-case. I have a pen, pencil, and shmpener ( 削笔刀). And the books are in the bag.
下列有关该数据表的说法中,正确的是( )