自助设备要在显眼位置张贴必要的安全提示和24小时服务电话，以确保安全。
参考答案：对
旅游者要求不随团用餐，导游人员要问清原因，一般可满足要求，但要说明在另处用餐费用______原餐费______。( )
A．自理，不退还 B．自理，部分退还C．自理，退还 D．由旅行社支付，不退
同义句转换。
1. In order to catch the train, she hurried through her work.
She hurried through her work _____ _____ she could catch the train.
2. The questions are too difficult for the children to understand.
The questions are _____ difficult _____ the children can't understand.
3. The Blacks don't live in this city any longer.
The Blacks _____ _____ live in this city.
4. I think it is necessary for you to come here tomorrow.
I_____ _____ _____ necessary for you to come here tomorrow.
5. Do you know the girl who is wearing in a green skirt?
Do you know the girl _____ a green skirt?
