出口信用保险中，被保险人在索赔时应提供的索赔单证包括出口贸易合同、损失清单和保险单。
参考答案：对
The farmers plan to produce three times____ in the year before last to meet the increasing need of the people.
A．of crop as much this year as
B．as much crop this year as
C．as more crop this year as
D．much crop this year than
喉麻痹
