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【单选题】
船舶装卸少量货物后重心高度增大,假定横稳心距基线高度不变,则:A.
船舶初稳性减小
B.
船舶初稳性增大
C.
船舶初稳性不变
D.
船舶初稳性变化趋势不定
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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
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