【单选题】Specific tariffs are
A.
import taxes stated in specific legal statutes.
B.
import taxes calculated as a fixed charge for each unit of imported goods.
C.
import taxes calculated as a fraction of the value of the imported goods.
D.
the same as import quotas.
E.
import taxes calculated based solely on the origin country.
【单选题】Specific tariffs are:
A.
levied as a proportion of the value of the imported good.
B.
government payment to domestic producers.
C.
in the form of manufacturing or production requirements of goods.
D.
levied as a fixed charge for each unit of a good imported.
【简答题】用甲醛法测得某铵盐中氮的质量分数为(%)5.15 , 5.32 , 5.22 , 5.25。其平均值( )为____ ;标准差(s)为____ ;其平均值的标准差( )为____; 含氮量在置信度95%时的置信区间是____。 (t 0.05,3 =3.18)
【单选题】Specific tariffs are
A.
import taxes stated in specific legal statutes.
B.
import taxes calculated as a fixed charge for each unit of imported goods.
C.
import taxes calculated as a fraction of the value of the imported goods.
D.
the same as import quotas.
【单选题】Specific tariffs are
A.
Levied as a proportion of the value of the imported good
B.
Levied as a fixed charge for each unit of a good imported
C.
In the form of manufacturing or production requirements of goods.
D.
Government payment to domestic producers
【单选题】Specific tariffs are
A.
import taxes stated in specific legal statutes.
B.
import taxes calculated as a fixed charge for each unit of imported goods.
C.
import taxes calculated as a fraction of the value of the imported goods.
D.
the same as import quotas.
【单选题】人的意识不仅反映客观世界,并且创造客观世界。这一命题表明意识对物质具有( ) (2000年单选)
【多选题】文殊兰于蜘蛛兰形态特征非常相似,但也有区别,其主要区别是( )。