我国关税征收的主体是国家,在我国是由税务部门代表国家行使征收关税职能。
参考答案:错
解析:由海关代表国家行使征收关税职能,国内税由税务部分征收。
Despite the fact that Jack has lived in USA for many years,he finds it no easy to _____himself to its culture and customs.
A.adopt
B.adapt
C.apply
D.concentrate
砌筑砂浆的主要材料包括()
A、细骨料
B、粗骨料
C、胶凝材料
D、掺加料
E、水