6. The child is always lying, so none of us will believe(他所说的任何话).
A. whatever he says
B. no matter what he says
C. how he says
D. which he says
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8. See to(孩子们别感冒).
A. it that the children don't catch cold
B. if that the children don't catch cold
C. what the children don't catch cold
D. that the children don't catch cold
铁盐、铝盐、钙盐等不宜以下哪种药合用:( )
A. 红霉素
B. 四环素
C. 氯霉素
D. 链霉素
E. 庆大霉素
四环素不宜与抗酸药物合用的原因是:( )
A. 抗酸药破坏四环素的结构,从而降低药效
B. 与抗酸药的金属离子络合,减少四环素的吸收
C. 增加消化道反应
D. 促进四环素的排泄
E. 以上均不对
治疗立克次体感染所致斑疹伤寒首选:( )
A. 四环素
B. 庆大霉素
C. 青霉素
D. 多黏菌素
E. 链霉索