石决明的药用部位为()
A．干燥贝壳
B．干燥内壳
C．干燥卵鞘
D．干燥背甲
E．干燥分泌物
参考答案：A
解析：[知识点] 动物类中药——石决明
抢救处置时，应立即用（）新洁尔灭或生理盐水反复冲洗伤口，在周围皮肤清洁后，包扎伤口，然后固定伤肢。
It_____we had stayed together for several weeks_____ I found we had a lot in common. [ ]
A. was until; when
B. wasn't until ; that
C. wasn't until; when
D. was until; that
