中国大学MOOC: Which are the colours of life-saving appliances?
举一反三
- 中国大学MOOC: Which of the following life-saving appliances is NOT introduced in the course?
- Which are the colours of life-saving appliances? A: Orange, green or yellow. B: Orange, red or yellow. C: Orange, blue or green. D: Orange, yellow or green.
- 中国大学MOOC: Which of the following are not the office appliances?
- Which of the following is NOT personal life-saving appliances? A: Inherently buoyant lifejacket. B: Inflatable lifejacket. C: Lifeboat. D: Lifebuoy.
- Which of the following life-saving appliances is NOT introduced in the course? A: Inherently buoyant lifejacket. B: Inflatable lifejacket. C: Lifebuoy. D: Kickboard.