难治性癫痫持续状态的治疗首选（）
A.利多卡因
B.氯氨酮
C.丙泊酚
D.硫喷妥钠
E.异戊巴比妥或咪达唑仑
参考答案：E
Which of the following statements about hypothesis testing is FALSE（）
A. The null hypothesis is a statement about the value of a population parameter.
B. A Type Ⅱ error is failing to reject a false null hypothesis.
C. If the alternative hypothesis is Ha: μ＞μ0, a two - tailed test is appropriate.
要保持实验室环境整洁，做到地面、桌面、设备三整洁，减少安全隐患。
