治疗急性肺水肿宜选用（）
A.氢氯噻嗪
B.呋塞米
C.氨苯蝶啶
D.螺内酯
E.甘露醇
参考答案：B
—What did you see when you came here?
—I found Jim _____ the desks. [ ]
A. clean
B. cleans
C. cleaned
D. cleaning
钢丝绳磨损（或腐蚀）部分在直径的40%以内者可降级使用
