下列关于海关性质的表述,正确的是:
A.海关是国家行政机关
B.海关是国务院直属机构
C.海关是享有立法权的立法机关
D.海关代表国家依法独立行使行政管理权
参考答案:A,B,C,D
It will be some years before some foreign doctors change the impression they have ____Chinese medicine, _____, in their opinion, is nothing but raw herbs and not effective at all in treating diseases. [ ]
A. for; which
B. on; what
C. to; that
D. on; which
合成尖晶石代替天然尖晶石时,被称为仿制宝石,代替橄榄石时则被称为合成宝石。