Forest fires can be caused by______.

Why did the Celts extinguish their fires on the night of October 31st ?

Fires broke out everywhere, and the entire city went up in ______ .

Large fires can do more than __________ vegetation and clog the skies with smoke.

中国大学MOOC: They had to _________ endless fires in the distarter. They had to stand firm and be brave.

Why was an airport forced to close down A: Because the blazes from the fires were too hot. B: Because the smoke from the fires were too thick. C: Because it was too droughty at the airport. D: Because it rained heavily there.

Hurricanes, flooding, droughts, forest fires and other disasters occur more frequently than those in the past.

No gas leaks or fires were reported at the site at the time of the . A: occurrence B: appearance C: beginning D: happen

When a repeating timer expires,（）. A: The When-Timer-Expired trigger resets the timer's iteration parameter.  B: The When-Custom-Item-Event trigger fires and executes the desired actions.  C: It is put in a queue of expired timers for processing on a first-in-first-out basis.  D: The When-Timer-Expired trigger fires instantly regardless of any other processing in the form module.

When a repeating timer expires,（）. A: The When-Timer-Expired trigger resets the timer's iteration parameter. B: The When-Custom-Item-Event trigger fires and executes the desired actions. C: It is put in a queue of expired timers for processing on a first-in-first-out basis. D: The When-Timer-Expired trigger fires instantly regardless of any other processing in the form module.&e