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【单选题】
船舶水动力矩系数与漂角有关,一般情况下__。
A.
当漂角为00或1800时,力矩系数达到最大值
B.
当漂角为900附近时,力矩系数达到最大值
C.
当漂角为450或1350附近时,力矩系数达到最大值
D.
当漂角为150或1650附近时,水动力系数达到最大值
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举一反三
【单选题】血中直接调节胰岛素分泌而且经常起调节作用的重要因素是()
A.
肾上腺素
B.
血糖浓度
C.
游离脂肪酸
D.
胃肠道激素
E.
血酮体浓度
【单选题】Deviation to save ______ is always justified,unless it is expressly stipulated otherwise.
A.
property
B.
a vessel in danger
C.
human life
D.
freight and cargoes in danger
【单选题】Unless otherwise stated in the letter of credit, banks will not accept ______ presented by the beneficiary.
A.
open cover
B.
cover note
C.
insurance certificate
D.
insurance policy
【单选题】Study hard , ______ you will not pass the exam .
A.
and
B.
otherwise
C.
if
D.
unless
【判断题】N型半导体的多数载流子是自由电子,因此N型半导体带负电。
A.
正确
B.
错误
【单选题】The United States is cited as a country where
A.
obesity is not a problem at all.
B.
you Can find many new things.
C.
terrible things happen all the time.
D.
it is easy to buy fast food.
【单选题】The eye of a typhoon is the place where
A.
it is relatively calm.
B.
the strongest winds are.
C.
the strongest rains are.
D.
the wind does not move.
【简答题】__________I get the money at once,I can’t afford my education. [A]As[B]If[C]Otherwise[D]Unless
【单选题】An instruction that uses indrect addressing mustt contain an address of memory where
A.
data is stored
B.
a pipeline stall will be executed
C.
a page fault is addressed
D.
another address is stored
【单选题】Xerox is striving hard to create an environment where
A.
they can foresee problems and solve them before they become uncontrollable.
B.
they can face problems fairly and solve them immediately.
C.
customers are getting what they want from the company.
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