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【单选题】
One Class Surveyor got onboard of a 45000 DWT new construction Chemical Tanker a week before delivery， he carried out the initial Safety Equipment survey in accordance with the Fire Fighting and Life-saving Control Plan.Surveyor noted that the vessel had two (2) 15 persons’ Life-rafts at each side， and One (1) 6 persons’ Life-raft on the forward main deck. The surveyor verified the Life-rafts’ certificate and found that the max storing height of one 15 person’s Life-raft at port side to be 18 meters as indicated on its certificate. But the surveyor checked the drawings and noted that actual storing position was 18.5 meters above the Lightweight water line of this vessel.Surveyor recommended shipyard to change the Life-raft or re-locate the life-raft in order to comply with the stowing height requirement as indicated on its certificate. Do you think the Surveyor’s recommendation is correct？（）A.
The surveyor’s comment was not correct； because the Life-raft has the Hydra-Static Releaser， should not care the height of Storing Position
B.
The surveyor’s comment was correct； because if the Storing height was over the Limit of the Life-raft， It may damage the Life-raft when throwing off to the water
C.
The surveyor’s comment was not correct； the storing position was the same location as showing on the approved drawings
D.
The surveyor’s comment was correct； as a surveyor， he can give any comment as he like
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【简答题】已知曲线y＝f(x)在任一点x处的切线斜率为k(k为常数)，求曲线方程．
【简答题】已知函数f(x)= x 3 - x 2 +x+b,其中a,b∈R. (1)若曲线y=f(x)在点P(2,f(2))处的切线方程为y=5x-4,求函数f(x)的解析式. (2)当a>0时,讨论函数f(x)的单调性.
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A.
sensitive to
B.
indispensable to
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A.
x=0
B.
x=2
C.
y=2
D.
y=4
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A.
“Untrodden ways.”
B.
“None to praise.”
C.
“Very few to love.”
D.
“Fair as a star.”
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【简答题】2) Later, in the solitude of his room, he heard the hesitating patter of rain on the roof
【简答题】在如图所示电路中,稳压管最大稳定电流 I Zmax =50mA,稳压值U Z =10V,I Zmin =5mA,则(1)当E=15V时,试求输出电压U O 的值 ;( 2)当E=45V时,试求U O 的值;( 3)要使稳压管能安全工作,E最大值为多少?要使电路具有良好的稳压作用,E最小值为多少?
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