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【单选题】
义齿排牙时，下颌第一磨牙应（）A.
与磨牙后垫的前缘等高
B.
与磨牙后垫的1/3等高
C.
与磨牙后垫的1/2等高
D.
与磨牙后垫的2/3等高
E.
与磨牙后垫的后缘等高
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【判断题】The division of labor, directing a person's whole attention toward one simple object, leaves little room for the invention of machinery.
A.
正确
B.
错误
【单选题】Measures taken by the Assured or the Underwriters with the object of saving，protecting or recovering the subject-matter insured shall not be considered as _______.
A.
sue and labor
B.
a waiver or acceptance of abandonment or otherwise prejudice the rights of either party
C.
general average acts
D.
acts reasonable for the purpose of averting or minimizing a loss
【简答题】中国古代城市有三个基本要素（）、居民区、手工商业区。
【单选题】The object of labor does not include __________
A.
material
B.
tool
C.
accessories
D.
component
【多选题】以下关于中国古代城市建设叙述正确的是 ( )
A.
中国古代城市有三个基本要素：统治机构(宫廷和官署)、手工业和商业区、居民区
B.
春秋战国时期是中国历史上第一个城市发展高潮
C.
宋代以后城市模式是开放式街市布局，取消了夜禁和里坊制
D.
唐长安城开创了布局规则严整、功能分区明确的里坊制城市格局
E.
在宋代首开“东西堂制”，即大朝居中，两侧为常朝
【简答题】The agriculture revolution in the nineth century involved two things:the invention of labor-saving machinery and the development of scientific agriculture. Labor-saving natu-rally appeared first w...
【单选题】The division of labor, directing a person's whole attention toward one simple object, leaves little room f o r the invention of machinery.
A.
T
B.
F
C.
NG
【简答题】中国古代城市有三个基本要素:( ), ( ), ( )。
相关题目：
【单选题】The object of labor does not include __________
A.
material
B.
tool
C.
accessories
D.
component