【单选题】关于百日咳的临床表现,错误的是:
B.
以阵发性痉挛性咳嗽,咳嗽终止时伴有鸡鸣样吸气吼声为特征
【单选题】A nest is to a bird ______ a house is to a man.
【单选题】下列实验中所选用的仪器合理的是
B.
用500mL容量瓶配制500mL0.2mol /L的NaOH溶液
【单选题】The bird is on the house _____ .
【判断题】百日咳的病程较长,临床上可分为前驱期、痉咳期、恢复期。
【简答题】This bird house is made of wood . My father often made _________ bird house.
【单选题】心理咨询遵循保密原则,但如遇到( )情况,则不能保密。
【单选题】配制500 mL 0.2 mol/L KCl溶液,所需KCl固体的质量为?