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【单选题】
IP 数据报首部长度 个字节,数据部分的最大长度是 个字节A.
20~40 ， 65535
B.
20 ， 65535
C.
20~60 ， 65515
D.
20 ， 65515
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【简答题】Success results ___________ hard work, andhard work results in success.A. from B. in C. by D. with
【简答题】引起企业提价的原因有哪些?
【简答题】引起企业提价的原因有哪些？
【单选题】Success results ___________ hard work, and hard work results in success.
A.
in
B.
from
C.
by
D.
with
【单选题】Which of the following statement is true according to the passage?
A.
Success results only from one's efforts and merits.
B.
Belief in luck may cultivate a passive attitude to life.
C.
Failure is synonymous with the absence of personal value.
D.
Sense of the role of luck builds up our modesty.
【简答题】在市场营销中引起企业提价的原因有哪些?
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