题目内容：
The word "dirt" in the last sentence refers to ________.
参考答案：
答案解析：
单选题：The word "dirt" in the last sentence refers to ________.
- 题目分类：2级
- 题目类型：单选题
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The phrase "evokes a sense of place" underlined in Paragraph
The phrase "evokes a sense of place" underlined in Paragraph 4 means to_________
The photoperiodic response of algae actually depends on the
The photoperiodic response of algae actually depends on the duration of darkness
To reveal a military secret to the enemy is tantamount to tr
To reveal a military secret to the enemy is tantamount to treason．
However，beyond that dolorous picture，there is a revolution a
However，beyond that dolorous picture，there is a revolution at work in world agri
The young man dangled in midair, held by one frail rope.
The young man dangled in midair, held by one frail rope.