铜版画的经典技法包括：The classic teniques of copperplate include:
A. 雕线技法Engraving
B. 蚀刻技法Etching
C. 海特技法Hayter technique
D. 干刻技法Drypoint
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关于腐蚀液，以下说法正确的是：Regarding corrosive fluid,which of the following statment is true?
A. 腐蚀液毒性很小It is not toxic
B. 它会腐蚀皮肤，但气味对人没有伤害It corrodes human skin,but its smell is not harmful
C. 三氯化铁用来腐蚀锌版Ferric chloride is used for corrode zinc plate
D. 三氯化铁用来腐蚀铜版，硝酸用来腐蚀锌版Ferric chloride is used for copper plate,while nitric acid for zinc plate
以下属于铜版画直接技法的是？which of the following is a direct technique of Intaglio Printmaking?
A. 蚀刻技法etching
B. 干刻技法drypoint
C. 飞尘技法aquatint
D. 套色技法color etching
混合式教学是指： Blending learning aims to:
A. 线上对知识性内容的自我学习和研究 Enhance self-study through Internet courses
B. 线下实践课、体验课老师与学生深入的交流和互动 Create more interaction between teacher and students in classrooms
C. 线上对知识性内容的预习 Gain the preview of each internet courses
D. 线下实践课、体验课对知识的巩固 Have a better review on every workhouse lesson
版画用来做公共艺术教育的优点是？ What is the advantage of printmaking used for public art education?
A. 公众可以比较容易的看到艺术品原作 The public can appreciate the originals easily
B. 版画的可操作性和程序性很适合公众的动手体验 There are clear procedures for people to follow，everyone can create their own works
C. 版画的不确定性可以让公众体验艺术创造的乐趣 The uncertainty of printmaking allows the public to experience the joy of artistic cteation
D. 版画制作入门简单易学，人人可以上手The introduction of printmaking is simple and easy to learn
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