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【单选题】
军用机动通信网中大多数程控交换机采用（）编码方式。A.
PCM
B.
△M
C.
SM
D.
TDM
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举一反三
【单选题】This is _____ useful book that we all need to read it. [ ]
A.
such an
B.
such a
C.
so
D.
so a
【单选题】---Which book do you think is the most useful to my studies? ---________, as long as you read it. In fact, they are out of date.
A.
None
B.
Neither
C.
Any
D.
Either
【简答题】物联网的价值在于让物体也拥有了“智慧”,从而实现______与物、 ______ 与物之间的沟通。
【简答题】How to examine an L/C?
【单选题】This is _____ useful book. I read _____ book every day. [ ]
A.
an, /
B.
an, the
C.
a, the
D.
a, a
【单选题】Bill the letter from my hand and read it quickly. [ ]
A.
pulled
B.
took
C.
brought
D.
sent
【简答题】The study was means to examine how the brain reacts to electromagnetic fields caused by wireless phone signals.
【单选题】---What _____useful book ! ---Yes, it is. But I find it ______ difficult for me to read.
A.
an, very
B.
a, too
C.
an, too
D.
a, quite
【单选题】The speaking outline won't be useful if you can't read it at distance instantly.
A.
Y
B.
N
C.
NG
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