哪种制剂不能作为菌斑染色剂
A．2%碱性品红 B．2%龙胆紫C．2%～5%藻红 D．4%酒石黄E．1.0%～2.5%孔雀绿
参考答案：B
—I wonder how long you _____ in Hawaii.
—Just for the weekend, then I had to attend a conference in Los Angeles.
A．will stay
B．were staying
C．have stayed
D．stayed
关于心绞痛发作时的处理方法。不妥的是
A．立即就地休息B．立即舌下含服硝酸甘油片C．疼痛不缓解可以每30分钟重复服用硝酸甘油一次D．最多含服3次硝酸甘油E．连续含服硝酸甘油后胸痛不缓解，应立即叫救护车送医院救治
