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【简答题】
溢流阀的作用主要有两个：一是起溢流和稳压，二是起( )
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反馈参考答案：
举一反三
【简答题】Mum or dad, of course, provide a regular supply of pocket money.A. happening over and over again at the same time or inthe same wayB. done or happening very oftenC. normal and usual
【简答题】月末提取固定资产折旧18000元，其中生产车间8400元，行政管理部门9600元。
【单选题】Professor White, along with his wife and children, ________ London for Paris tomorrow.
A.
are leaving
B.
is leaving
C.
has left
D.
have left
【单选题】Which of the following statements is wrong? ( )
A.
DIP, dual in-line package
B.
SIP, single in-line package
C.
PLCC, plastic in-line chip carrier
D.
QFP, quad flat package
【简答题】¿ ______dónde eres?
【单选题】0SI参考模型中的0SI表示的是( )
A.
0rgan ization Standard Institute
B.
0rgan ization Standard Interconnection
C.
0pen System,Internet
D.
0pen System Interconnection
【单选题】Which of the following statements is wrong? ( )
A.
DIP, dual in-line package
B.
SIP, single in-line package
C.
PLCC, plastic in-line chip carrier
D.
QFP, quad flat pack
【单选题】Dual In-line Package 是:( )。
A.
(A)双列直插封装库
B.
(B)方形扁平"的元器件封装库
C.
(C)板上芯片"的元器件封装库
D.
(D)小外形"的元器件封装库
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