原发性高血压的基本病变是
A．细动脉硬化B．细小动脉硬化C．细动脉纤维素样坏死D．增生性小动脉炎和纤维素样坏死
参考答案：B
根据句意及首字母提示完成单词。
1. My English teacher isn’t in the classroom now. She is in her o_____ .
2. Jane works in a h_____ . She is a good doctor.
3. My mother is a Chinese teacher in a u_____ in Beijing.
4. This is a photo of my f_____. These are my parents.
5. This is a good hotel. Tom’s father is a m_____ in the hotel.
细胞分裂是指：
A．细胞从原来的形态、结构和功能变为其他形态、结构和功能
B．新细胞的子细胞逐渐长大的过程
C．细胞数目增多和细胞体积增大
D．一个母细胞分裂为两个子细胞的过程
