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【单选题】
下列关于一级反应的描述,不正确的是A.
只有基元反应的级数才可能是一级反应
B.
浓度的对数和时间作图呈线性关系
C.
一级反应的半衰期与初始浓度无关
D.
速率系数的单位为 时间-1
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举一反三
【单选题】I __________ a gift yesterday, but I didn't ________ it.
A.
received, accept
B.
received, accepted
C.
accepted, receive
D.
accepted, accept
【单选题】根据《水利基本建设项目竣工财务决算编制规程》(SL 19—2008)，大型水利工程建设项目可预计纳入竣工财务决算的未完工程投资及预留费用应控制在总概算的( )以内。
A.
3%
B.
5%
C.
10%
D.
15%
【单选题】I ______ her present but didn't ______ it. [ ]
A.
accepted; receive
B.
received; receive
C.
received; accept
D.
accepted; accept
【单选题】--- What brought joy to Linda just now? --- __________.
A.
Received a gift
B.
She received a gift
C.
Receiving a gift
D.
Because of a gift
【单选题】Received for shipment bill of lading，states definitely that the goods have been received by the carrier and confirms that the goods are actually on board the vessels．( )
A.
正确
B.
错误
【单选题】根据供应链的综合能力与市场需求的关系,可以把供应链分为( )。
A.
平衡的供应链和失衡的供应链
B.
稳定的供应链和动态的供应链
C.
响应型供应链和效率型供应链
D.
好的供应链和差的供应链
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