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【单选题】
在周期性速度波动中，一个周期内等效驱动力做功Wd与等效阻力做功W´r的量值关系是A.
Wd = W ´ r
B.
Wd > W ´ r
C.
W d ≠ W ´ r
D.
Wd < W ´ r
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【简答题】原文出于习惯,有的地方不言而明,但是如果在翻译时照样直译,就会因为缺少成分而不明确 或不通顺,此时应适当添上一些成分,这就是 。
【单选题】According to the last paragraph, retail brings consumers face to face
A.
with the real products without supply chain.
B.
with long supply chain.
C.
with the price of the products.
D.
with value of the products.
【单选题】将分区/dev/sdb2格式化的命令是_____:
A.
mkfs.xfs /dev/sdb2
B.
format /dev/sdb2
C.
format -t ext2 /dev/sdb2
D.
makefile -t ext2 /dev/sdb6
【简答题】In the face of rising gas costs, many consumers are beginning to consider the choice of a hybrid(混合动力的) vehicle--one which operates on both gas and electricity. All of the models of hybrid car will sa...
【简答题】According to the last paragraph, retail brings consumers face to face________ [A] with the real products without supply chain. [ B ] with long supply chain. [C] with the price of the products. [D] wit...
【单选题】It was the first time _____ I _____ face to face with a thunder storm. [ ]
A.
when / had come
B.
that / have come
C.
when / came
D.
that / had come
【单选题】When consumers face rising gasoline prices, they typically
A.
reduce their quantity demanded more in the long run than in the short run.
B.
reduce their quantity demanded more in the short run than in the long run.
C.
do not reduce their quantity demanded in the short run or the long run.
D.
increase their quantity demanded in the short run but reduce their quantity demanded in the long run.
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