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请在test数据库中创建一张成绩数据表grade,表中包含两个字段,分别为学号student_id、课程号course_id和分数score。

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根据电子杂志订阅表subscribe(id,email,status,code)进行操作。(1)将code字段的位置调整到status字段的前面。(2)添加一个标签(label)字段,用于保存用户的偏好。(3)删除标签字段。

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Which of the marks below is NOT painted on the rear end of an ISO container. ()

A. THE name of the ship
B. Owner’s logo
C. Size and type code
D. CSC-safety-approval plate

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CY to CY is a mode of container shipping. It means shipping goods from ().

A. Carrier’s container yard to container terminal’s container yard
B. Shipper’s container yard to consignee’s container yard
C. Ship owner’s container yard to consignee’s container yard
D. Shipping agent’s container yard to exporter’s container yard

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Which one of the following documents has the function of the title to the goods. ()

A. Sea waybill
B. Commercial invoice
C. To-order bill of lading
D. Packing list

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