Fighting a fire in the galley poses the additional threat of().
举一反三
- Though sea water is the best mode of fighting fire, the main emergency fire fighting system can only be used on fires of ________.
- 中国大学MOOC: Overpopulation poses a terrible threat to the human race. Yet it is probably ________a threat to the human race than environmental destruction.
- Hydraulic fluid contamination may result in hydraulic failure and thus poses a threat to flight safety.
- Overpopulation poses a terrible threat to the human race. Yet it is probably ________a threat A: the human race than environmental destruction. (07年真题) B: no more C: not more D: even more E: much more
- In the emergency alarm signals, if the alarm or whistle two long sounds followed by one short sound for 1 minute, it is the () emergency. A: fire fighting B: leakage blocking C: abandon ship D: integratio