下列静脉麻醉药物具有明显的镇痛作用的是()
A.硫喷妥钠
B.异丙酚
C.氯胺酮
D.羟丁酸钠
E.依托咪酯
参考答案:C
The brave soldier was willing to risk ___________ his life rather than ___________
himself up to the enemy. [ ]
A.lose;give
B.losing;giving
C.losing;give
D.lose;giving
Photoshop颜色设置中的“工作空间”设置有()个选项。
A、1
B、2
C、3
D、4