We agreed to accept()they thought was the best tourist guide.
A. whatever
B. whomever
C. whichever
D. whoever
旅行社安排的旅游活动及服务档次与合同不符,造成了旅游者的经济损失,旅行社应退还合同金额与实际花费的差额,并赔偿()。
A. 差额的两倍
B. 同额违约金
C. 10%的违约金
D. 20%的违约金
Which of the following must be eliminated to prevent accidents?()
A. Unsafe actions
B. Orderliness
C. Frequent inspections
D. Good work habit
现代发动机报废换油的主要依据是()。
A. 看油的颜色变化
B. 嗅油的气味变化
C. 用试纸试验
D. 用仪器化验