题目内容：
_________ has become Alaska's single important resource.
参考答案：
答案解析：
单选题：_________ has become Alaska's single important resource.
- 题目分类：英语(二)
- 题目类型：单选题
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Paragraph ③_________
Paragraph ③_________
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Which of the following is true of the fossil deposits discussed in the passage?A
第（40）题选
第（40）题选
根据下面资料，回答题 Singapore ① Singapore is an independent city-stat
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Holonyak was the inventor of the transistor in the early 195
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