分析成本构成结果，找出各种可以相互替代的成本，协调各种成本之间的关系，属于（）的内容
A. 识别和分析项目成本构成科目
B. 成本估算
C. 成本预算
D. 成本审评
Which of the following statement(s) is/are TRUE regarding lashing requirements to secure vehicles aboard Ro-Ro vessels? （）
A. It is imperative that the securing of cargo on flats and trailers and in containers be adequate for both road and sea motions
B. The movements experienced by road borne cargo differ significantly from the roll and sway movements of a ship at sea
C. It is necessary for adequate number and strength of securing points on the vehicles themselves in order that lashings may be properly and safely utilized.
D. All the above
焊缝按施焊位置分为平焊、横焊、立焊及仰焊，其中仰焊的操作条件最差，焊缝质量不易保证。
A. 正确
B. 错误
在服务关怀流程中如电话不通的原因为客户拒接，应选择什么方式与客户再次进行跟踪关怀（）
A. 邮件
B. 互联网
C. 电话
D. 短信
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