色彩传达的信息要与消费者的心理需求保持一致关系。如，人们对牛奶的感觉是天然的营养品，所以，很多牛奶品牌都选用（）等色彩，给人以清新、自然的心理感受。 ["黄色","绿色","蓝色","白色"]
实现中国梦的途径是（）。 ["必须走中国道路","必须弘扬中国精神","必须凝聚中国力量","必须坚持改革开放"]
四川位于（）。 ["中国西南部、黄河上游","中国西北部、长江上游","中国西南部、长江上游","中国西南部、珠江上游"]
Which statement is true regarding the Port Aggregation Protocol？ （） ["Configuration changes made on the port-channel interface apply to all physical ports assigned to the portchannel interface.","Configuration changes made on a physical port that is a member of a port-channel interface apply to the port-channel interface.","Configuration changes are not permitted with Port Aggregation Protocol； instead， the standardized Link Aggregation Control Protocol should be used if configuration changes are required.","The physical port must first be disassociated from the port-channel interface before any configuration changes can be made."]
颈动脉损伤系指颈总动脉内膜发生的1-2条（），并伴有（）。
扩散的机制主要有哪几种？
