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【单选题】
反映整个分析体系可重复程度的是A.
总CB
B.
批内CV
C.
批间CV
D.
日间CV
E.
总CV
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反馈参考答案：
举一反三
【单选题】The viruses can cause all the following damages EXCEPT ______.
A.
low speed of the computer's functions
B.
ruin of the normal programs
C.
lack of information storage
D.
loss of all the information stored in the computers
【单选题】The most common source of excitation for synchronous motors is a/an _____.
A.
low voltage battery
B.
motor attenuator set
C.
DC exciter generator
D.
AC supply
【单选题】According to the passage, the tram way and multistory parking lots are ______.
A.
low in cost
B.
cheap to use
C.
dismissed by critics
D.
ineffective
【单选题】Which of the following is NOT the result of laboratory experiments?
A.
Low concentrations
B.
Fall in lung function
C.
Irritability of the lungs
D.
Airway inflammation
【单选题】Which of the following is not mentioned as a possible cause of a trade imbalance?
A.
Low labor and material costs in Asian countries.
B.
A lack of natural resources.
C.
An underdeveloped industrial base.
D.
The high cost of exported items.
【单选题】A smoking exhaust from an operating diesel engine could be caused by( ).
A.
low sulfur content in the fuel
B.
a loose injector inlet connection
C.
late fuel injection
D.
high injection pressure
【单选题】Overspeed of the diesel engine driving an electric generator could cause ______.
A.
low voltage trip
B.
reverse power trip
C.
damage to windings
D.
excessive exhaust temperatures
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