处于生长发育时期的青少年儿童,应该首先多吃下列哪一类食物() ["A.糖类","B.蛋白质","C.脂肪","D.无机盐"]
船舶审核与船舶检验有什么区别和联系?
The meat box temperature control circuit, as used in ship service refrigeration system, is an example of () ["two position control","signal speed floating control","proportional control","reset control"]
室内分布系统设计应综合考虑()和建设改造难度等因素。 ["资源情况","网络性能","频点规划","投资成本"]
老练的营销员总是避免讨论一些容易产生分歧意见的问题,而先强调彼此的共同利益,当业务洽谈即将结束时才把这些问题拿出来讨论,这样双方就能够比较容易地取得一致的意见。这是营销员面谈说服技巧的() ["耐心说服","由浅入深,从易到难","借助时机","寻找共同点"]
由船底过渡到舷侧的转圆部分称为什么?