单项选择题

Cigarettes can seriously damage your countryside. Fanned by 112km/h Santa Ana winds, fire swept across 4,250 hectares near the mountain community of Alpine, California. More than 650 people were (1) immediately from their homes. As 800 firefighters (2) to control the conflagration (a large, destructive fire 大火), (3) of smoke (4) over 9,000m and sent clouds of (5) drifting across San Diego, nearly 50km away. A (6) of air tankers (a cargo plane carrying water or fuel 运送水或燃料的飞机) and helicopters (7) water and fire-retarding (8) over the area. Firefighters believe the (9) was started by a (10) discarded cigarette. California, (11) raining at this time of year, had only 1mm of precipitation (rain; a quantity of rain in a specific area at a specific time) in December, making (12) the state’s (13) winter month in 70 years. In the 1970’s (14) homes and ranches in the mountains near Alpine were (15) by wildfire. After that (16) resident Mary Titus wrote herself (17) about what to do, should another fire (18) force her to flee. "I had a list of (19) I could take if I had five minutes and a list of what I could take if I had 30 minutes." She said, "I had 30 minutes, I was (20) 

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