第29题: [单项选择]肿瘤内常有钙化的神经胶质瘤是() A. 星形细胞瘤 B. 室管膜瘤 C. 少突胶质细胞瘤 D. 髓母细胞瘤 E. 多形性胶质母细胞瘤 参考答案:C
第30题: [单项选择]The certificate of nationality () serves as evidence of the nationality of the ship () shows the port of registry. A. neither,nor B. not only,but also C. not,but D. not only, and but 参考答案:B