警衔设（）。 A.五等十二级 B.五等十三级 C.四等十三级 D.四等十二级

— My teacher says she's cancelling the class play. I just can't understand.

— ______.You were looking forward to it. [ ]

A. It doesn't matter

B. It's very unwise of her

C. Don't worry about it

D. You must be disappointed

患者女性，28岁，车祸致骨盆骨折，右股骨干开放性骨折。体温39.1℃，血压55/25mmHg，脉搏136次/分，呼吸22次/分。术前未置胃肠减压管，拟行急症股骨干骨折切开复位内固定术。

首选麻醉方法为（）。

A.硬膜外阻滞

B.腰麻

C.全麻清醒插管

D.全麻快速诱导插管

E.脊麻、硬膜外联合阻滞

在结算方式上，网络商品交易中心一般采用（）的结算模式

A.分散集中

B.统一分散

C.分散集合

D.统一集中

Once you have established the daily ration of drinking water in a survival situation，how should you drink it?（）

A.Small sips at regular intervals during the day

B.The complete daily ration at one time during the day

C.One-third the daily ration three times daily

D.Small sips only after sunset

如何认识教育管理现象的存在是教育管理学产生的直接基础。