实行招标采购的，自招标文件发出之日起至投标人提交投标文件截止之日，不得少于( )。
A. 20日
B. 1个月
C. 45日
D. 2个月
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按规定，企业应按当期计税工资总额的( )，分别提取职工教育经费和工会经费，列入成本费用。
A. 2%，1.5%
B. 1.5%，2%
C. 3%，1.5%
D. 1.5%，3%
现行增值税规定，纳税人的一项销售行为如果既涉及货物又涉及非应税劳务，称为 ( )。
A. 兼营行为
B. 混合销售行为
C. 提供应税劳务行为
D. 提供非应税劳务行为
The famous line "If winter comes, can spring be far behind" is from ______'s poem "Ode to the West Wind".
A. George Gordon, Lord Byron
B. Percy B．Shelley
C. Samuel T. Coleridge
D. John Keats
He first became aware of a racial disparity because of ______.
A. the vagueness of his African ancestry
B. the unfair treatment of him at school
C. the miserable sufferings of the slaves
D. the inhibitions haunting his parents
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