【判断题】连接在RS485总线上的设备也要求具有相同的通信协议,且地址能相同
【单选题】You look _____ now. You'd better go to bed. [ ]
【单选题】Your hair is too long. You'd better go to _____. [ ]
【单选题】-- My cat's ill .She won't eat anything . -- _____
A.
You'd better go to the clinic .
B.
Why not go and get something to eat ?
C.
If I were you ,I'd go on a diet .
D.
You should take her to the vet .
【单选题】规定取药物0.1g时,应称取药物的量为( )。
【单选题】《中国药典》(2005年版)规定称取药物约0.1g时,应称取药物的重量应为