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【单选题】
信号f(t)=Sa(100t),其最低取样频率为A.
100/π
B.
200/π
C.
π/100
D.
/200
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举一反三
【简答题】The poem is to 1 or 2 Lincoln, and in what order are the three stanzas organized? It consists of three stanzas which 3 , deepening 4 .
【单选题】Which of the following describing ubiquitination INCORRECTLY?
A.
Determines whether a protein is to be degraded
B.
Is regulated by sequential activity of E1, E2, and E3
C.
E3 ubiquitin ligases determine substrate specificity
D.
Can be reversed by the activity of deubiquitinases
【简答题】ubiquitination;ubiquitinoylation（泛素化）
【单选题】Universities usually give diplomas or certificates to students who complete course requi-rements adequately.
A.
responsibly
B.
sufficiently
C.
patiently
D.
successfully
【单选题】()is the process of determining. documenting and managing stakeholder needs and requirements to meet project objectives
A.
Collecting requirements
B.
Defining requirements
C.
Creating WBS
D.
Requirements analysis
【单选题】Which of the following statements is NOT true?
A.
Continuous computer calculations are required for the automatic blind landing of an aircraft.
B.
Military applications of computers require their very fast response ability.
C.
Scaling down of all dimensions of a computer may result in faults developing.
D.
The development to integrated circuits contributes a lot to the miniaturization of computers.
【单选题】Applications have poured in _________ assignments to remote regions of the country.
A.
requiring
B.
begging
C.
requesting
D.
awaiting
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