【单选题】旅行社每设立一个经营境内旅游业务和入境旅游业务的分社,应当向其旅游服务质量保证金账户增存()人民币
【单选题】The college entrance exam is ______ important to the student, and it’s also challenging.
【简答题】碳钢的正火工艺是:将其加热到一定温度,保温一段时间,然后在 中冷却。
【单选题】Temperature is an example of a variable that uses
D.
either the ratio or the ordinal scale.
【单选题】- This is a challenging job. Who wants it? - _________
【单选题】Sometimes it's a bit challenging to reach a ________ between parents' expectations and their kids' desires.
【单选题】旅行社每设立一个经营境内旅游业务和入境旅游业务的分社,应当向其保证金账户增存( )人民币