Hardly A -[I had ] sat down when I B-[heard] C-[someone ] knock at the D-[door] .
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Nobody A-[believed] B-[ that ] his excuse for being late was C-[why] his car D-[broke down ] on his way to work.
后尿道损伤的临床表现：
A. 休克、疼痛、尿道出血
B. 疼痛、排尿困难、尿外渗及血肿
C. 排尿困难、尿道出血、疼痛
D. 休克、疼痛、排尿困难、尿道出血、尿外渗及血肿
肾损伤保守治疗时，应绝对卧床休息。
A. 3~5周
B. 2~4周
C. 4~6周
D. 2~6周
泌尿系感染，抗菌药物的使用原则上应持续到症状消失，尿细菌培养转阴后。
A. 4周
B. 5周
C. 2周
D. 1周
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