【单选题】细胞在体外生长时具有某些特点,以下不包括( )
【判断题】食盐的作用是使产品具有一定的咸味,并且有抑菌作用,使用量为2~4%
【单选题】患者李某,因车祸致脾破裂大出血需急诊手术同时立即输血,护士从血库取回血后,为了尽早将血输给患者,便将血袋放在热水中提温,5min后便给患者输入。当输入10min后,患者头部胀痛,并出现恶心呕吐,腰背部剧痛。患者发生这种反应最可能的原因是
【单选题】下列关于建立关键绩效指标的注意事项的说法,错误的是()。
【单选题】With the worldwide oil crisis, the price of oil has been raised ______ 15%.
【单选题】---She hardly plays computer games every week ,_________? ---Yes . She is a hard-working girl .
【单选题】According to Miss Rowling where did she get the ideas for the Harry Porter books?
A.
She doesn't really know where they originated.
B.
She mainly drew on stories of ancient saints.
C.
They popped out of her childhood dreams.
D.
They grew out of her long hours of thinking.