在过滤时，必须要用的一组仪器是（ ）
A．蒸发皿、玻璃棒、烧杯
B．烧杯、漏斗、玻璃棒
C．烧瓶、漏斗、玻璃棒
D．试管、试管夹、烧杯
答案：B
阅读短文，判断对(√)错(×)。
I'm John. I have a cat. The cat's name is Mimi. She is two. Mimi is yellow. Mimi is big. She likes
chicken and milk. I like my eat.
( )1. John has a dog.
( )2. The cat's name is Mimi.
( )3. Mimi is yellow.
( )4. Mimi is two.
下列哪种方法可测定细菌的结构抗原( )。
A．免疫化学
B．放射免疫
C．免疫血清学
D．电子显微镜
