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什么是群落交错区,它的主要特征有哪些?
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【简答题】Ellen Parker was worried about her health. She could not walk very quickly and it was difficult for her to climb stairs（爬楼梯）. She was soon out of breath.（气喘吁吁） “I think I had better go to the doctor, ...
【简答题】Quickly I told what I had done and Mother stated firmly that she would take up the matter of lunches the next day!
【简答题】音位识别中的韵母识别其内容可以分为四类,列举出来,并举个对应的例子
【简答题】音位识别中的韵母识别其内容可以分为四类分别是
【简答题】Ellen Parker was worried about her health. She could not walk very quickly and it was difficult for her to climb stairs. She was soon out of breath. “I suppose I had better go to the doctor.” she thou...
【简答题】Mia’s father had a laboratory, but she had no idea what was in it. Her dad always closed and locked the door when he went in. She knew that he used it to do projects for work. He never told Mia what t...
【简答题】Ellen Parker was worried about her health. She could not walk very quickly and it was difficult for her to climb stars. She was soon out of breath (气喘吁吁). “I suppose I had better go to the doctor,” sh...
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