问题
判断题
每个三角形中至少有两个锐角。[ ]
答案
正确
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每个三角形中至少有两个锐角。[ ]
正确
| 情景对话。 | |
| A: Winter holidays will begin next month. Are you going back to America, Mary? B: No. 1______ A: What are you going to do? B: Mum will take me to Xi'an. 2______ A: Oh, she'll be happy to see you. B: Yes, we haven't seen each other for several yeans. A: 3______ B: She's working in Australia this year. And she worked in France the year before. A: 4______ B: Yes, she has. She likes travelling. so she always changes her work. A: Is she going to work in China? B: Yes, 5______ A: That's great.
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面易患的龋齿（）。