诊断丝虫病，最适宜的采血时间为（）
A.晨起便前采血
B.急性丝虫热发作时采血
C.晚上9时以后采血
D.睡前采血
E.无特殊时间要求
参考答案：C
The accident ________ the death of 6 passengers was ________ the driver’s carelessness.
A．resulted from; led to
B．resulting from; led to
C．resulted in; due to
D．resulting in; due to
红霉素与林可霉素合用可使
A．不良反应减少
B．血药浓度增高
C．抗菌活性增强
D．产生拮抗作用
E．抗菌谱扩大
