When nurses go into the hospital ward, ______.
A: they answer a call with locator badges
B: the wireless system begins to function
C: staff can watch them through a wall unit
D: infrared signals can detect their presence
A: they answer a call with locator badges
B: the wireless system begins to function
C: staff can watch them through a wall unit
D: infrared signals can detect their presence
举一反三
- The nurse's station is the only place where nurses in a hospital ward can be found. A: Right B: Wrong C: Not mentioned
- When the ____system does not function properly, a number of diseases can occur.
- Bats can build an infrared ( ) to help them navigate.
- Passengers can speak to their freiends on _____ through a wireless telephone.
- By _________lights, the television, and the computer when you are through with them, you can help a lot.