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【多选题】
陶质文物出土后支离破碎.残缺不全的主要原因是（ ）
A.
陶质文物制作原料
B.
陶质文物制作工艺
C.
陶质文物结构
D.
陶质文物埋藏.保存环境因素
参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】Throughout the nation’s more than 15,000 school districts, widely differing approaches to teaching science and math have emerged. Though there can be strength in diversity, a new international analysi...
A.
it lacks a coordinated national program
B.
it sets a very low academic standard for students
C.
it relies heavily on the initiative of individual teachers
D.
it attaches too much importance to intensive study of school subjects
【单选题】Throughout the nation"s more than 15,000 school districts, widely differing approaches to teaching science and math have emerged. Though there can be strength in diversity, a new international analysi...
A.
lays stress on quality at the expense of quantity
B.
offers an environment for comprehensive education
C.
encourages learning both in depth and in scope
D.
scratches the surface of a wide range of topics