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【单选题】
LTE 中采用CP(Cyclic Prefix)的主要目的是( )A.
可以减小系统时延
B.
可以抵抗多径带来的ISI和ICI
C.
可以降低PAPR
D.
可以提高峰值速率
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举一反三
【单选题】Man: Sam has bought a laptop. I felt I should buy one too. Woman: How can you hold a candle to him? What does his father do, do you know? Question: What does the woman mean?
A.
She suggests that the man try to make clear about Sam's father's occupation.
B.
She tells the man to light Sam up.
C.
She advises the man not to think of Sam.
D.
Sam has got a different family background from the man's.
【单选题】It’s cheaper to buy old furniture than to have new ______ made.
A.
one
B.
ones
C.
furniture
D.
furnitures
【简答题】Sam: Sam Weiss, from I-Travel. Jenny: And your account number?Sam: IT2839.Jenny: （How can I help you?）
【简答题】以”旅途中一件难忘的事“为话题,说一段话,不少于2分钟。要求语句通顺、连贯,普通话标准,口语化强。
【单选题】— Sam, this is my friend, Jane、— _______
A.
I’m Sam.
B.
How are you?
C.
Glad to meet you, Jane.
D.
Very well, thank you.
【单选题】In order to protect your safety, it’s necessary to buy ________.
A.
the insurance
B.
the lodging
C.
the food
D.
the transportation
【单选题】It’s cheaper to buy old furniture than to have new ______ made.
A.
a. one
B.
b. ones
C.
c. furniture
D.
d. furnitures
【简答题】How can science be encouraged to flourish and grow? How can the results of science be used to the best purpose for the benefit of humanity? 71. It was to find the answers to these question% which are ...
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