承包人在收到履约证书后（）天内，应向工程师提交按照工程师批准的格式编制的最终报表草案并附证明文件。
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Yesterday's strike caused complete confusion for ______.
A. employers
B. commuters
C. bus drivers
D. tourists
America will never again have as a nation tee spirit of adventure as it ______ before the West was settled.
A. has
B. did
C. was
D. would
为防止被消除需要快速静脉注射的药物是
A. 地尔硫卓
B. 腺苷
C. 胺碘酮
D. 普萘洛尔
E. 苯妥英钠
硝苯地平的主要不良反应是
A. 心肌缺血症状加重
B. 降低心肌收缩性
C. 低血压
D. 房室传导阻滞
E. 肝功能损害
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