题目

在等比数列中, , , 成等差数列,则__________. 答案:【答案】【解析】由题意得根据句意及词首字母或汉语提示,补全单词。1. Hainan is in the s_____ of China.2. —Don't you think English is a very u_____ language?    —Yes, I think so.3. We Chinese r_____ the Great Wall as a symbol of China.4. —Could you _____ (修理) the bike for me? It's broken.    —Of course. I'll do it now.5. You'll be _____ (瘦的) if you eat less meat.
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