Why have retired people been coming to spend their last days in Florida？
A. They can afford to do so on their pensions.
B. They are provided with a decent sum of pensions.
C. The food there is good for their health.
D. They can earn some extra money there.
每于经期口舌糜烂，口燥咽干，五心烦热，尿少色黄，治疗首选方剂是：
【C2】
A. investigated
B. informed
C. estimated
D. assumed
根据发行主体的不同，债券可分为实物债券、凭证式债券和记账式债券。()
A. 正确
B. 错误
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