第25题: [单项选择]Hydrogen is the fundamental element of the universe ______ it provides the building blocks from which the other elements are produced. A. so that B. now that C. in that D. but that 参考答案:C 答案解析:[解析] in that引导原因状语从句,相当于because从句。
第26题: [单项选择]肝动脉导管栓塞术(TAE)的禁忌证是 A. 肝癌破裂 B. 门静脉主干闭塞 C. 肿瘤侵犯肝内门静脉 D. 肝动脉—门静脉瘘 E. 肝动脉—肝静脉瘘 参考答案:B 答案解析:门静脉主干有肿瘤浸润闭塞时,栓塞肝动脉,患者的肝实质无血液供养,此属TAE的禁忌证。