INTERNET上的一个B类网的子网掩码为255、255、240、0,每个子网最多有()台主机。
A、1024
B、256
C、4094
D、8196
参考答案:C
根据句意和首字母填空。
1. He is an o________ Chinese Basketball player.
2. The old man is very k________ and living. So they love him very much.
3. The well-known v________spends all his time on the violin.
4. Wang Meng was the ________ in the Olympic Games of 2010.
5. Who is the greatest scientist a________ ?
6. Young women s________ lots of money on clothes every year.
7. I have to take my s________ dog to the vet (兽医).
8. After the exam, we will have a two-w ________ vacation.
9. She plays the piano very well. She is a famous p________.
10. He wants to be a student in Tsinghua U________ .
患者男,35岁。皮肤、巩膜黄染3年,黄疸进行性加深但存在波动,反复发作高热寒战、上腹痛等症状,合并溃疡性结肠炎,无胆管结石病史。腹部查体无明显阳性体征。
对该疾病可采用的治疗方法包括()
A.泼尼松等药物治疗
B.内镜下狭窄段胆管扩张、内置支架
C.PTCD
D.胆管切开减压、胆管扩张后留置引流管外引流
E.肝移植术
F.部分肝切除术