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【单选题】
在道路施工时，路基压实作业要点是：合理选用压实机具、压实方法与压实厚度，达到所要求的( )。A.
最佳含水量
B.
预沉量值
C.
压实密度
D.
压实遍数
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皮皮学刷刷变学霸
举一反三
【单选题】下列关于增值税纳税义务发生时间的表述中，错误的是( )。
A.
采用直接收款方式销售货物，已将货物移送对方并暂估销售收入入账，但既未取得销售款或取得索取销售款凭据也未开具销售发票的，其纳税义务发生时间为取得销售款或取得销售款凭据的当天
B.
采用直接收款方式销售货物，先开具发票的，纳税义务发生时间为发出货物的当天
C.
采取预收货款方式销售货物，为货物发出的当天，但生产销售生产工期超过12个月的大型机械设备、船舶、飞机等货物，为收到预收款或者书面合同约定的收款日期的当天
D.
销售应税劳务，为提供劳务同时收讫销售款或者取得索取销售款的凭据的当天
【单选题】The five most widely spoken Romance Languages by the number of native speakers are Spanish, Portuguese, French, ltalian, and Romanian.
A.
the languages mostly spoken in the Central Asia
B.
the languages mainly used for a romantic affair or experience
C.
the languages that belong to the Italic branch of the Indo. European family
D.
none
【单选题】Spanish, spoken by 12% of the population at home, is the second most common language and the most widely taught second language.
A.
English
B.
Japanese
C.
Spanish
D.
French
【单选题】The official language spoken in Canada is
A.
English and Spanish.
B.
French and Spanish.
C.
English and French.
D.
Spanish and Dutch.
【单选题】Which of the following is true of Spanish?
A.
It is a widely spoken language in the world.
B.
It is going to replace English in the future.
C.
It has developed at the expense of other languages.
D.
It has become a political language.
【单选题】The story happened in a small Spanish hotel that offers good service and___ English is spoken.
A.
who
B.
where
C.
that
D.
there
【简答题】50Hz 的工频信号的8次谐波分量的频率是 。
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