In securing deck loads for an ocean tow，drill pipe should be（）.
A. galvanized to protect against corrosion
B. held in place with heavy materials such as spare pendant wire
C. limited to no more than five courses high
D. provided with bulwarks at both ends of their bay
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农业银行的并购贷款期限一般不超过（）年，总行级核心客户与行业重点客户并购贷款期限可延长至（）年。
A. 3；5
B. 5；7
C. 5；6
D. 2；5
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