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【单选题】
下列有关物质的性质或应用的说法不正确的是
A.
二氧化硅是生产光纤制品的基本原料
B.
水玻璃可用于生产黏合剂和防火剂
C.
碱性氧化物都是金属氧化物,金属氧化物不一定是碱性氧化物
D.
用瓷坩埚熔化各种钠的化合物
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举一反三
【单选题】The Chinese agricultural tax wasn’t completely abolished______2006, which reduced the farmers’ burden greatly.
A.
until
B.
before
C.
since
D.
after
【单选题】Industrial output has grown by an average of()annually since tariff barriers were eliminated in 1977.
A.
3%
B.
5%
C.
8%
D.
10%
【单选题】发给来中国旅游、探亲或处理其他私人事务入境的外国人的签证是( )。
A.
c字签证
B.
G字签证
C.
F字签证
D.
1字签证
【多选题】(多选)下列各项中属于数量标志(数量变量)的有()。
A.
企业的地址
B.
企业注册资金
C.
企业开工时间
D.
企业经营方向
E.
企业产品品种数
【单选题】Average tariff levels in the United States in the last decade are
A.
about equal to the average since 1930.
B.
above the average since 1930.
C.
positive, but below the average since 1930.
D.
zero, as there are no longer any tariffs in the United States.
【单选题】The average tariff rate to data on dutiable imports in the United States is approximately
A.
5 % of the value of imports.
B.
15% of the value of imports.
C.
20 % of the value of imports.
D.
25% of the value of imports.
E.
more than 25% of the value of imports.
【多选题】下列各项中属于数量标志(数量变量)的有
A.
企业的地址
B.
企业注册资金
C.
企业开工时间
D.
企业经营方向
E.
企业产品品种数
【单选题】When ataxon agoodisenacted,
A.
buyer s an d seller s shar e th e burde n o f th e ta x regardles s o f whethe r th e ta x i s levie d o n buyer s o r o n sellers.
B.
buyer s alway s bea r th e ful l burde n o f th e tax.
C.
seller s alway s bea r th e ful l burde n o f th e tax.
D.
seller s bea r th e ful l burde n o f th e ta x i f th e ta x i s levie d o n them ; buyer s bea r th e ful l burde n o f th e ta x i f the ta x i s levie d o n them.
【单选题】The average tariff rate dutiable imports in the United States after RTAAis approximately _________.
A.
less than 10 % of the value of imports.
B.
15% of the value of imports.
C.
20 % of the value of imports.
D.
25% of the value of imports.
【判断题】C1. Average Tariff Rates on products remain very much the same from 1950s to 2000 globally.
A.
正确
B.
错误
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