- 试题详情及答案解析
- from the moon, our earth with water seventy percent of its surface, appears a blue ball.
| A．Seen; covered | B．Seen; covering |
| C．To see; covering | D．Seeing; covered |
- 答案：B
- 试题分析：考查非谓语动词。Seen from the moon：从月球上看，地球被看故用过去分词:our earth with water covering：地球被水覆盖，water作主语，应用现在分词covering。句意：从月球上看，地球表面百分之七十被水覆盖，看起来象个大蓝球。故选B
考点：考查非谓语动词