第8题: [单项选择]{{B}}Questions 11 to 18 are based on the conversation you have just heard.{{/B}} A. He will not leave the school. B. He’ll stay at home. C. He is going on vacation. D. He doesn’t want to go home. 参考答案:B 答案解析:[听力原文]
W: James, what are you going to do during the summer vacation
M: I’ll probably go home for
第9题: [单项选择]关于脂肪组织的回声强度,错误的是 A. 脂肪组织的回声均表现为低回声 B. 由于胶原纤维含量和血管成分的多少不同,不同部位的脂肪组织回声有差异 C. 皮下脂肪常呈低回声 D. 肾窦内脂肪与肾血管、集合系统交错排列、呈高回声或强回声 E. 腹腔动脉和肠系膜上动脉周围脂肪组织呈高回声 参考答案:A 答案解析:脂肪组织的回声强度在不同部位表现为不同的回声。