题目内容：
Paragraph ④_________
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答案解析：
单选题：Paragraph ④_________
- 题目分类：英语(二)
- 题目类型：单选题
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第（46）题选
第（46）题选
_________ has become Alaska's single important resource.
_________ has become Alaska's single important resource.
Paragraph ③_________
Paragraph ③_________
Which of the following is true of the fossil deposits discus
Which of the following is true of the fossil deposits discussed in the passage?A
第（40）题选
第（40）题选