在Word 2000环境下，下列所叙述的（）功能是Word本身不能实现的。 ["按逆序页打印文档","为文档设置打开权限密码和修改权限密码","在键入英文单词或句子的同时检查拼写错误并自动即时更正","宏病毒保护（即能发现宏病毒并发出警告）"]
The set of the ocean current is caused by（）. ["density differences of the water","rotation of the earth","direction of primary circulation of air","all of the above"]
点窑应注意哪些问题？
（）用一组有序的代表符号来标识分类体系中不同类目商品的过程。 ["商品编码","商品条码","商品分类","商品目录"]
The set of the equatorial countercurrent is generally to the（）. ["north","east","southwest","northwest"]
实施关系营销要注意哪些问题？
