现在1000马力(总吨)油船上任职的轮机长(大副)需经过()培训。
A、船舶高级消防
B、熟悉和基本安全
C、精通救生艇筏和救助艇
D、精通急救
参考答案:A, B, C, D
女,30岁,发热1周,左腹股沟区可扪及5cm×4cm×3cm大小肿物,有压痛,有波动感。
首选的抗菌药物是()
A.青霉素
B.庆大霉素
C.红霉素
D.链霉素
E.甲硝唑
—Time flied before we knew it! It is already 12 o'clock.
—Oh, really? I _______ it at all.[ ]
A. haven't realized
B. didn't realize
C. hadn't realized
D. don't realize