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【单选题】
维生素C中铁的检查方法如下:取样品5.0g两份,分别置于25ml量瓶中,一份用0.1mol/L HNO3液溶解并稀释至刻度,作供试液(B);另一份加入标准铁溶液(0.01mgFe/ml)1.0ml后,用0.1mol/L HN03液稀至刻度,作对照液(A),用原子吸收分光光度法于248.3nm波长处分别测定(B)与(A)的读数为(b)与(a),b应小于(a-b)。其杂质铁的限量是
A.
0.0001%.
B.
0.0002%.
C.
0.0003%.
D.
0.0004%.
E.
0.0005%.
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参考答案:
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【简答题】warm applause the honored guests mounted the rostrum.
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【单选题】以下可将文件写入到空白光盘的设备是
A.
刻录机
B.
VCD
C.
只读光驱
D.
DVD
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【单选题】餐饮服务过程中,当烟灰缸里烟头达到( ) 个时要立即更换干净的烟灰缸。
A.
1
B.
2
C.
3
D.
4
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【单选题】内源性甘油三酯主要由下列哪一种血浆脂蛋白运输( )
A.
CM
B.
LDL
C.
VLDL
D.
HDL
E.
IDL
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【单选题】Medicine Directions Take two tablets with warm water, followed by one tablet every eight hours, as required. For maximum nighttime and early morning relief, take two tablets at bedtime. Do not exceed ...
A.
twenty-four tablets a day
B.
eight tablets a day
C.
six tablets a day
D.
three tablets a day
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【简答题】The audience gave the performer ______ burst of _______. A.a; applause B. /; applause C. /; applauses D. some; applauses
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【判断题】Meaning and concept are closely connected and identical.
A.
正确
B.
错误
查看完整题目与答案
【单选题】内源性甘油三酯主要由下列哪一种血浆脂蛋白运输?
A.
CM
B.
IDL
C.
VLDL
D.
HDL
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【单选题】Meaning and concept are ____.
A.
Identical
B.
same
C.
unrelated
D.
connected
查看完整题目与答案
【判断题】Meaning and concept are actually the same.
A.
正确
B.
错误
查看完整题目与答案
相关题目:
【简答题】warm applause the honored guests mounted the rostrum.
查看完整题目与答案
【单选题】以下可将文件写入到空白光盘的设备是
A.
刻录机
B.
VCD
C.
只读光驱
D.
DVD
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【单选题】餐饮服务过程中,当烟灰缸里烟头达到( ) 个时要立即更换干净的烟灰缸。
A.
1
B.
2
C.
3
D.
4
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【单选题】内源性甘油三酯主要由下列哪一种血浆脂蛋白运输( )
A.
CM
B.
LDL
C.
VLDL
D.
HDL
E.
IDL
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【单选题】Medicine Directions Take two tablets with warm water, followed by one tablet every eight hours, as required. For maximum nighttime and early morning relief, take two tablets at bedtime. Do not exceed ...
A.
twenty-four tablets a day
B.
eight tablets a day
C.
six tablets a day
D.
three tablets a day
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【简答题】The audience gave the performer ______ burst of _______. A.a; applause B. /; applause C. /; applauses D. some; applauses
查看完整题目与答案
【判断题】Meaning and concept are closely connected and identical.
A.
正确
B.
错误
查看完整题目与答案
【单选题】内源性甘油三酯主要由下列哪一种血浆脂蛋白运输?
A.
CM
B.
IDL
C.
VLDL
D.
HDL
查看完整题目与答案
【单选题】Meaning and concept are ____.
A.
Identical
B.
same
C.
unrelated
D.
connected
查看完整题目与答案
【判断题】Meaning and concept are actually the same.
A.
正确
B.
错误
查看完整题目与答案
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