静水比赛采用8条航道()
参考答案:错
With so much homework ________, I have to stay at home, giving up the idea of playing computer games with Peter.
A.to do
B.being done
C.done
D.doing
下面关于吸入性麻醉药叙述错误的是()
A.吸收速度受肺通气量、最小肺泡浓度、血气分布系数等因素影响
B.分布速度与脑/血分布系数成正比
C.主要经肾脏以原型要排泄
D.脂溶性越高越易通过肺泡血管进入血液
E.肺通气量大的药物较易排除