患者男性，65岁。拟行胆囊切除术。术前检查发现有冠心病、陈旧性心肌梗死，自诉偶有心跳不规则。血压170/110mmHg，脉搏104次/分。血液生化检查提示：空腹血糖140mg，血清胆固醇460mg，血清钾3.8mmol/L。病人双亲均在50岁左右死于心脏病。

全麻诱导最好选用下列哪种药（）。

A.依托咪酯

B.丙泊酚

C.氯胺酮

D.硫喷妥钠

E.苯巴比妥

—Excuse me. ________?

—I'm sorry I don't know. You can ask the policeman over there. [ ]

A. Where are you going

B. What can I do for you

C. Are you a stranger here

D. Where's the nearest hotel