关于中枢神经系统白血病,下列哪项正确()
A.成人较儿童多见
B.主要见于急性淋巴细胞白血病
C.初诊时见不到
D.脑膜不受累
E.脑脊液中无白血病细胞
参考答案:B
There is no doubt ________. [ ]
A. that Mr. Hansen is in good health
B. whether is Mr. Hansen healthy
C. if Mr. Hansen's health was returning
D. whether Mr. Hansen in health
具有镇痛作用的静脉麻醉药是()
A.氯胺酮
B.γ-OH
C.硫喷妥钠
D.咪达唑仑
E.依托咪酯