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【单选题】
下列基质的缓冲能力排序正确的是 。A.
有机基质＞无机基质＞惰性基质
B.
无机基质＞惰性基质＞有机基质
C.
惰性基质＞无机基质＞有机基质
D.
有机基质＞惰性基质＞无机基质
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皮皮学刷刷变学霸
举一反三
【单选题】An oxygen indicator can be used to determine if there is ______.
A.
sufficient oxygen in a compartment to support life
B.
combustible gases present
C.
hyfrogen gases present
D.
All of the above
【单选题】社工在评估中得知,王奶奶年事已高,由媳妇照顾,媳妇和王奶奶关系以前有很多矛盾,现在照顾王奶奶时,经常谩骂她。王奶奶稍有不从,媳妇就威胁她,有时还会阻断王奶奶与外界的接触,不让王奶妈见别人,更不让王奶奶出门。王奶奶遇到的这种虐待属于( )。
A.
身体虐待
B.
C.
精神虐待
D.
经济虐待
【单选题】The oxygen partial pressure or the amount of oxygen in arterial blood is called:
A.
PaO2
B.
PaCO2
C.
SO2
D.
P50
E.
Oxygen dissociation curve
【单选题】An oxygen indicator will detect _____.
A.
concentrations of explosive gas
B.
an oxygen deficiency in a space
C.
the presence of harmful amounts of carbon monoxide
D.
All of the above
【单选题】What could result in an incorrect oxygen concentration reading on the oxygen indicator ________．
A.
Exposure to carbon dioxide for no more than 1 minute
B.
Exposure to carbon dioxide for more than 10 minutes
C.
Exposure to a very low concentration of sulfur dioxide for no more than 2 minutes
D.
None of the above
【单选题】An oxygen indicator will detect ( )
A.
the amount of oxygen in a space
B.
the presence of harmful amounts of carbon monoxide
C.
concentration of explosive gas
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