汽车起步时，离合器处出现金属干磨擦声响，并伴随有发拌现象，则为从动盘（）所致。
A. 磨擦片过厚
B. 磨擦片磨损过甚
C. 破裂或花键毂铆钉松动
D. 减震弹簧磨损或折断
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不持外汇卡办理的西联发汇业务中，系统打印的单据有西联汇款申请书、外币通用凭证。
A. 正确
B. 错误
Which statement is true?（）
An IPv6 address is 64 b long and is represented as hexadecimal characters.
B. An IPv6 address is 32 b long and is represented as decimal digits.
C. An IPv6 address is 128 b long and is represented as decimal digits.
D. An IPv6 address is 128 b long and is represented as hexadecimal characters.
核心系统的合同类型包括（）
A. 保函合同、贴现及垫款合同、华夏卡自助贷款动态质押合同
B. 华夏卡自助贷款综合授信合同、通用合同、保兑仓合同
C. 贴现及垫款合同、银承合同、华夏卡自助贷款综合授信合同
D. 保理融资合同、通用合同、保兑仓合同
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