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【简答题】
写出下图所示电路的输出逻辑表达式,其中74HC42是译码器。
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【单选题】下列各组物质可作为缓冲对的是
A.
CH 3 COOH/H 2 CO 3
B.
NH 3 ·H 2 O/NaOH
C.
CH 3 COOH/CH 3 COOK
D.
NH 3 ·H 2 O/NaCl
【单选题】Mark Turner earned a promotion due to his ______ strong performance as regional sales manager.
A.
consist
B.
consisting
C.
consistent
D.
consistently
【单选题】有主生产计划(MP3),物料需求计划(MRP)生产进度计划(DS)能力需求计划(CRP)构 成( )。
A.
精益生产计划
B.
制造资源计划 MRPⅡ
C.
看板管理计划
D.
全面生产计划
【单选题】下列各组物质可作为缓冲对的是( )
A.
CH3COOH-NaHCO3
B.
CH3COOH-CH3COONa
C.
NH3·H2O-NaOH
D.
Na2CO3-H2CO3
【简答题】Vancouver Textile Corporation 246 Madison Street Vancouver Canada March 26, 2001 Sales Manager China National Textiles Im. & Ex. Corp. Hongqi Road 45, Chongqing China Dear Sir or Madam, We have been i...
【判断题】党的八大,党中央提出了要把党和国家的工作重点转到技术革命和社会主义建设上来的思想。()
A.
正确
B.
错误
【单选题】下列各组物质可作为缓冲对的是
A.
H 3 PO 4 和 Na 2 HPO 4
B.
H 2 CO 3 和 Na 2 CO 3
C.
CH 3 COOH 和 CH 3 COONa
D.
NH 3 · H 2 O 和 NaCl
E.
H 2 SO 4 和 NaHSO 4
【单选题】Who is Rex Jink?
A.
A sales manager
B.
An office clerk
C.
A company director
D.
An accounting manager
【单选题】下列各组物质可作为缓冲对的是( )
A.
CH 3 COOH/ H 2 CO 3
B.
CH 3 COOH /CH 3 COONa
C.
NH 3 · H 2 O/ NaOH
D.
NH 3 · H 2 O/NaCl
【单选题】Trevor, a sales manager at IBM, recently learned that an IBM human resources manager with comparable responsibilities and spans of control earns a higher salary than Trevor. Which form of equity is of...
A.
external
B.
internal
C.
distributive
D.
individual
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