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【单选题】
计划苗圃生产用地占苗圃总面积的( )
A.
80%
B.
60%
C.
40%
D.
20%
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【单选题】Inmarsat-F船站中的语音压缩编码采用AMBE调制方式,AMBE称为( )。
A.
脉冲编码调制
B.
自适应预测编码
C.
高级多带激励编码
D.
差错控制编码
【单选题】When using carbon dioxide to fight a fire on a bulkhead,the CO 2 should be applied().
A.
first to the bottom of the flaming area,sweeping from side to side,and following the flames upward
B.
in a circular motion from the middle of the bulkhead outward
C.
to the top of the flaming area,sweeping from side to side,and working toward the bottom
D.
in an up-and-down motion from one side of the bulkhead to the other
【单选题】在Inmarsat-B/F船站的基带处理单元中含有语音压缩编码,它可以实现( )。
A.
收/发隔离
B.
模/数转换
C.
频带信号与基带信号的转换
D.
单边带调制
【单选题】The Bayh-Dole Act______.
A.
aims to change the missions of universities
B.
aims to enhance academic motivation in universities
C.
has hindered the sharing in academic world
D.
has stimulated scientific discovery
【简答题】听下面一段对话,回答第1至3题。 1. What's the purpose of the writing club? [     ] A. To write articles for the Campus Literary Review. B. To teach students a couple of basic writing skills. C. To help those who wan...
【单选题】The gibbon ranges over an area wider than do the other apes.
A.
a wider area than other apes do
B.
an area wider than are other apes do
C.
wider than other apes do the area
D.
than wider other apes do an area
【简答题】听下面一段材料,回答第1至2题。 1. What's the purpose of carpooling? [     ] A. To go for a long trip to Seattle. B. To learn how to drive skillfully. C. To save money, energy and the environment. 2. How will they g...
【简答题】What's the purpose of your visit here?
【简答题】Please answer some questions about the text. ( Record your answer and upload it!) 1. What's the purpose of the text? And who is the text written to?
【简答题】for wider experience
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