机械设备试运转时，对大型、复杂和( )，应编制试运转方案或试运转操作规程。
A．新型设备
B．精密设备
C．专用设备
D．特种设备
参考答案：B
用所给单词的正确形式填空。
1. Let's __________ (look) inside the window.
2. May I take __________ (you) picture?
3. I'm __________ (fall)!
4. Please __________ (stand) beside Li Ming.
5. Danny __________ (break) his tail!
