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【单选题】
下面哪一项不是 EOQ 模型的假设条件 :A.
年需求为已知的常量
B.
提前期已知且固定
C.
不允许缺货
D.
有数量折扣
E.
补充率为无限大
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举一反三
【单选题】All of the following elements typically first lose 4s valence electrons in a chemical reaction except
A.
potassium
B.
gallium
C.
manganese
D.
calcium
【单选题】急性心肌梗死时下列哪种酶的升高最有诊断意义( )。
A.
LDH4(乳酸脱氢酶同工酶)
B.
LDH5(乳酸脱氢酶同工酶)
C.
CPK-MB(肌酸磷酸激酶同工酶)
D.
CPK-MM(肌酸磷酸激酶同工酶)
E.
CPK-BB(肌酸磷酸激酶同工酶)
【单选题】If an application will need location information, which one of the following actions should it typically do first?
A.
Register for location updates.
B.
Determine the last known location.
C.
Determine if current location estimate is good enough.
D.
Unregister existing LocationListeners.
【单选题】Typically, the first page of a Web site is referred to as its__________ .
A.
home page
B.
HTML
C.
URL
D.
site
【单选题】__________ is a form of poetry which expresses personal emotions or feelings, typically spoken in the first person.
A.
Epic poetry
B.
Narrative poetry
C.
Pastoral poetry
D.
Lyric poetry
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