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【单选题】
义齿的牙合平面要求下列哪项是错误的A.
与瞳孔连线平行
B.
与鼻翼耳屏连线平行
C.
与下颌二侧牙槽嵴平行
D.
平分颌间距离
E.
在上唇下缘2mm
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参考解析：
知识点：
皮皮学刷刷变学霸
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【单选题】The chloride-bicarbonate exchanger as an antiport mediates the simultaneous movement of two anions: for each ion that moves in one direction, one Clˉ ion moves in the opposite direction, with no net t...
A.
electronegative
B.
electropositive
C.
neutral
D.
electroneutral
【简答题】Terms of payment：30% by T/T before shipment, balance by irrevocable letter of credit, L/C No.123654
【简答题】试述咽可分为哪几部分?各部分别通向何器官?
【单选题】关于沸腾,下列说法正确的是?
A.
液体沸腾与外界大气压没有关系
B.
高原上和平原上水沸腾时的温度一样
C.
纯水沸腾后，继续加热，温度不变
D.
溶液沸腾后，继续加热，温度不变
【多选题】下列关于物流的说法正确的是( )
A.
适当安排物流据点，提高配送效率，保持适当库存。
B.
在运输、保管、搬运、包装、流通加工方面，实现省力化、合理化。
C.
尽可能使从接受商品的订货到发货、配送等过程的信息通畅。
D.
尽可能使物流的成本最小
【单选题】某元素的特征光谱中含有波长分别为450nm和750nm的光谱线。在光栅光谱中，这两种波长的谱线有重叠现象，重叠处波长750nm的谱线的级数将是
A.
2,3,4,5... ...
B.
2,5,8,11... ...
C.
2,4,6,8... ...
D.
3,6,9,12... ...
【单选题】Many United States companies have, unfortunately, made the search for legal protection from import competition into a major line of work. Since 1980 the United States International Trade Commission (I...
A.
arguing against the increased internationalization of United States corporations
B.
warning that the application of laws affecting trade frequently has unintended consequences
C.
demonstrating that foreign-based firms receive more subsidies from their governments than United States firms
D.
receive from the United States government
E.
advocating the use of trade restrictions for “dumped” products but not for other imports
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