读图判断人类对地球形状的认识过程是( )
A:①③②
B:③①②
C:③②①
D:②③①
把下列句子重新排序组成一段完整的对话。
A. Can I help you? B. Good morning. C. What colour is it? D. I like that kite. E. It's blue. F. Good morning.
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