第11题: [单项选择]关于肝良性实质性肿瘤的描述,错误的是( ) A. 包括肝细胞腺瘤、胆管腺瘤、血管瘤、纤维瘤、脂肪瘤、错构瘤、黏液瘤等等 B. 除肝细胞腺瘤外,其他良性肝肿瘤少见 C. 肝血管瘤包括肝毛细血管瘤和海绵状肝血管瘤 D. 肝海绵状血管瘤为混合回声病灶,实质性杂乱无章的不均匀强回声条索或斑片与形态不规则、大小不等的液性区混合,有时难与肝癌鉴别 E. 肝小血管瘤有时较难与肝硬化所致的结节鉴别 参考答案:B
第31题: [填空题]What did the professor want to know from his tests
He wanted know ______. 参考答案:which animal was the cleverest 答案解析:[听力原文]11-15
A university professor recently made several tests with different animals to find out w