6岁猫,施子宫卵巢切除术,用非吸入麻醉,其首选麻醉药是()。
A、丙泊酚
B、氯胺酮
C、硫喷妥钠
D、戊巴比妥钠
E、地西泮
参考答案:B
路中心双黄实线是何含义?
A、可跨越对向车道分界线B、禁止跨越对向车行道分界线C、双侧可跨越同向车道分界线D、单向行驶车道分界线
It was____of them to have sent the old people and children to safetyin case the flood destroyed
their village. A energetic B considerate C fortunate D patient