门脉性肝硬化最严重的并发症是()。
A.腹腔积液
B.脾肿大
C.血小板减少
D.肝性脑病
E.痔静脉曲张
参考答案:D
To save class time, our teachers has _____ students do half of the exercise in class and complete the other half for our homework.
A.us
B.we
C.our
D.ours
我国对不正当竞争行为进行监督检查的主管部门是( )。
A.国内贸易部B.技术监督局C.工商行政管理局D.物价局