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【单选题】
The modified 'pharm' crops will breed with other crops and produce pharmaceutical drugs that will do great harm,, to consumers.A.
Y
B.
N
C.
NG
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举一反三
【单选题】8个9.6Kb/s的信道按时分多路复用在一条线路上传输，在统计TDM情况下，假定每个子信道有30%的时间忙，复用线路的控制开销为5%，那么复用线路的带宽约为(2)。
A.
24Kb/s
B.
32Kb/s
C.
64Kb/s
D.
96Kb/s
【单选题】We have confidence __________ the quality of Chinese textiles.
A.
at
B.
in
C.
for
D.
with
【单选题】5个64kb/s 的信道按统计时分多路复用在一条主线路上传输,主线路的开销为4% ,假定每个子信道利用率为90% ,那么这些信道在主线路上占用的带宽为( )kb/s。
A.
128
B.
248
C.
300
D.
320
【简答题】We have confidence ______ selling your Sweaters in our market.
【单选题】If you could make a reduction 10% in quotation, we have confidence in securing large orders for you.
A.
in
B.
on
C.
by
D.
at
【单选题】It's a(n) ______that our team will win the game this time, for we have confidence as well as the ability.
A.
confirmation
B.
affirmation
C.
assessment
D.
certainty
【单选题】We have confidence in the quality of your machine tools, that is why we are buying from your country ( ) England.
A.
instead
B.
instead from
C.
instead of
D.
instead of from
【简答题】收益性支出与资本性支出、流动负债和长期负债是以1年为划分依据的。（ ）
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