境外个人经营性外汇结汇包括()、购物贸易方式项下的结汇,凭本人有效身份证件及个人旅游购物报关单办理。
参考答案:旅游
加工过程中在零件表面上预留的多余金属层被称为()。
People in Chongqing are proud of_______they have achieved in the past ten years.
A.that
B.which
C.what
D.How