第20题: [单项选择]下列关于冷冻切片的描述,错误的是() A. 对蛋白、脂肪、类脂和酶的保存较好 B. 脂肪、神经髓鞘染色时使用冷冻切片 C. 免疫组织化学染色时常使用冷冻切片 D. 组织化学染色时可使用冷冻切片 E. 细胞的结构不优于石蜡切片 参考答案:B 答案解析:脂肪,神经髓鞘染色可用其他切片法。
第35题: [单项选择]What does the woman mean A. She’ll change it for him. B. She can’t change it for him. C. She’d like to see what is wrong with it. 参考答案:C 答案解析:[听力原文] M: Can I have the earphone (耳机) changed It’s not working. W: Let me check it.