题目内容：
Paragraph ③________
参考答案：
答案解析：
单选题：Paragraph ③________
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- 题目类型：单选题
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As discovered by expedition scientists, Antarctica has not a
As discovered by expedition scientists, Antarctica has not always been so cold a
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第（45）题选
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第（38）题选
Paragraph ③_________
Paragraph ③_________
Paragraph ⑤_________
Paragraph ⑤_________