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【单选题】
国际化标准组织ISO制定的开放系统互联基本参考模型有( )A.
3层
B.
4层
C.
5层
D.
7层
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皮皮学刷刷变学霸
举一反三
【简答题】核电厂是将反应堆内能量转换为电能的一种装置，是和平利用原子能的重要标志。下面关于核电厂反应堆和原子弹的认识错误的是() A核电厂反应堆里装的是浓度很低的核燃料，不可能发生原子弹那样的爆炸 B核电厂会发生原子弹那样的爆炸，必须坚决抵制 C核电厂发生的中子裂变反应是可控的，与原子弹不同
【单选题】It is often said that the joy of traveling is __________ in arriving at your destination ___________ in the journey itself.
A.
/ … but
B.
/ … or
C.
not … or
D.
not … but
【简答题】()系统是核电厂中最重要的系统，能将反应堆堆芯核裂变产生的热量传送到蒸汽发生器，并冷却堆芯，防止燃料元件烧毁。 A一回路 B二回路 C三回路
【单选题】—What do your parents often remind you _____ ? —They often tell me to hold on _____ my dreams. [ ]
A.
of; to
B.
for; to
C.
of; with
D.
for; with
【简答题】Do you often write to your father ________ (one) a month?
【单选题】The Leeward Company just issued 6-month, 8 percent, unsecured bonds at par. These bonds fit the definition of which one of the following terms?
A.
note
B.
discounted
C.
mortgage
D.
collateral
【单选题】The Leeward Company just issued 15-year, 8 percent, unsecured bonds at par. These bonds fit the definition of which one of the following terms?
A.
note
B.
discounted
C.
zero-coupon
D.
debenture
【单选题】Often looking at your daily behavior from a different ______ will help you change your actions for the better.
A.
procedure
B.
perspective
C.
principle
D.
prediction
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