多线制模式又叫分线制模式，各报警防区通过多芯电缆与报警控制主机之间采用（）连接方式。
A、一对多
B、一对一
C、多对一
D、多对多
参考答案：B
选词填空。
1. Give (I, me) a spoon.
2. Cut (about, with) a knife.
3. She would like some (milk, milks).
4. (How, What) a big basketball!
5. What would you like (of, for) your dinner?
6. How (many, much) are the two eggs?
7. Can you use (chopstick, chopsticks) now?
8. Welcome (go, to) our school.
9. Go to the kitchen. Have a (sleep, snack).
10. Go to the (living room, bath room). Watch TV.
简述乳癖与乳岩的鉴别要点。
