题目内容

麻疹减毒活疫苗是用麻疹病毒减毒株接种____细胞。

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麻疹减毒活疫苗是经培养、收获病毒液,加入适宜____后冻干制成的生物制品。

In the statement, "Volvo develops its cars for buyers to whom safety is a major concern, positioning the vehicles as the safest a customer can buy," buyers to whom safety is a major concern is the target market.

A. 对
B. 错

原代鸡胚细胞以适当的____液、分散组织细胞进行培养。

具有活血通络，清肺化痰功效的药物是

A. 穿山龙
B. 老鹤草
C. 络石藤
D. 丝瓜络
E. 路路通