检测血清和脑脊液中内毒素,有助于革兰阴性菌感染的诊断()
A.狄克试验
B.鲎溶解物试验
C.锡克试验
D.悬滴制动试验
E.尿素酶依赖试验
参考答案:B
白细胞分类计数参考范围
淋巴细胞()
A.0.20~0.40
B.0.50~0.70
C.0.03~0.08
D.0.01~0.05
E.0~0.01
Though Jenny is the only child in the big family, she is never _______ about what to eat or what to wear.[ ]
A. cautious
B. particular
C. considerate
D. positive