中国大学MOOC: First aid kit is one of the essential equipment of police on duty.
举一反三
- 智慧职教: what should be put in the first aid kit in your suitcase?
- FIRST AID KIT是 （） A: 急救箱 B: 医用药箱 C: 救命包 D: 工具箱
- 中国大学MOOC: The quotation is the first essential part of the negotiation.
- A compound duty is a combination of an ad valorem duty and specific duty. （ ）
- 中国大学MOOC: Market segmentation is one very primary and essential step in market analysis.