填空集

• 1、

  A. Reason for naming hurricanesB. Warning of an ap

• 2、

  A. Reason for naming hurricanesB. Warning of an ap

• 3、

  A. Reason for naming hurricanesB. Warning of an ap

• 4、

  A. Reason for naming hurricanesB. Warning of an ap

• 5、

  A. to track hurricanes and issue warningsB. to avo

• 6、

  A. to track hurricanes and issue warningsB. to avo

• 7、

  A. to track hurricanes and issue warningsB. to avo

• 8、

  A. to track hurricanes and issue warningsB. to avo