A trade custom has been proved to the effect that in trade between Sarawak and Singapore mate’s receipts（）universally adopted as documents of title as in same way as bills of lading. ["are","takes","makes","ha"]
各行社每年初要对担保机构上年的（）进行评价，作为当年是否继续与之合作的依据。 ["资信情况","担保情况","内部管理情况","经营效益"]
如果企业制定的信用标准较严，只对信誉好坏账损失率低的客户给予赊销，则会（） ["扩大销售量","减少销售量","增加坏账成本","减少坏账成"]
下列关于国际借记卡特殊业务的描述错误的是（）。 ["书面挂失必须更换卡号","卡片失磁必须更换凭证","国际借记卡防伪换卡申请可在全行范围内办理","凭证更换后，有效期从凭证更换日起重新计算三年"]
什么是弯曲力？它分为哪两部分？
简述尺蠖鱼蛭病的病状和病理变化。
