In Florida，Governor Jeb Bush signed an emergency order to eliminate the weight limit Oil trucks SO citrus growers could get as much fruit to market as possible.
Casey Pace，a spokeswoman for Florida Citrus Mutual，said growers had sprayed trees with sprinklers。which created a layer of ice and helped maintain a temperature near freezing.Citrus trees are considered in danger of damage if the temperature drops below minus 2 deGREes Celsius for four hours or more.Snow ranging from a dusting to up to 30 centimeters “blanketed“ the Carolinas，Tennessee and parts of Virginia.
练习：
1.Which.of the following statements is not meant in the first two paragraphs?
A)The cold air mass was a threat to Florida’s citrus crop.
B)The temperature in the United States except the South dropped below the freezing mark.
C)The northern harbors were blocked with ice.
D)The eastern two thirds of the United States was hit by cold air mass.
2.According to the second paragraph，in which area(s)did the temperature fall below zero?
A)Most of the South.
B)Parts of interior South Florida.
C)West Palm Beach.
D)All of the above.
3.King’s statement that “we brought shorts，T-shirt，and I had to go out and buy another coat.”shows that
A)he was caught by the sudden cold.
B)he needed formal clothes.
C)fashion in Florida is tempting.
D)Florida is hot compared with England.
4.Governor Jeb issue the emergency order because he
A)thought speed limit for trucks was unreasonable.
B)tried to improve the traffic condition of the expressways.
C)wanted to encourage trucks to transport as much fruit to market as possible
D)wanted to stop trucks from carrying too much fruit to market.
5.Which statement is NOT true according to the last paragraph?
A)Sprinklers were used to protect citrus trees from being
