预算约束
参考答案:
根据导游人员计分管理办法,下列行为中应扣4分的有______。
A.私自带人随团游览
B.无故不随团活动
C.在导游活动中未佩戴导游证或未携带计分卡
D.不尊重旅游者宗教信仰和民族风俗
— Some Chinese students find it hard to get used to the life in London.
— Exactly, ______ they've learnt a lot about the city before. [ ]
A. if
B. now that
C. as though
D. even though