男,45岁。外伤致骨盆骨折,会阴部裂伤,术后尿潴留、烦躁。最佳处理方法
A.肌注地西泮10mg
B.下腹部热敷
C.口服止痛药
D.静注氨甲酰甲胆碱
E.留置导尿管
参考答案:E
Gun control is a subject ______ Americans have argued for a long time. [ ]
A. of which
B. with which
C. about which
D.into which