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【单选题】
测得工作在放大电路中的三极管各电极电位如下所示,其中锗材料的PNP 管是( )
A.
3 . 5V 2 . 8V 12V
B.
3V 2 . 7V 12V
C.
6V 11 . 3V 12V
D.
6V 11 . 7V 12V
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【单选题】Bats navigate and search out prey by emitting, and then detecting reflection of, ultrasonic waves, which are sound waves with frequencies greater than can be heard by a human. Suppose a bat emits ultr...
A.
f md = 82.8kHz, f bd = 83.0Hz
B.
f md = 82.8Hz, f bd = 83.0kHz
C.
f md = 82.8kHz, f bd = 83.0kHz
D.
f md = 82.8Hz, f bd = 83.0Hz
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【简答题】The sound /m/ can be described with “ n_______, bilabial, voiced ”
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【判断题】《公路桥规》规定:最大剪力计算值取用距支座中心 h /2 ( 梁高一半)处截面的数值(记做 V / ) ,其中混凝土和箍筋共同承担不少于60%,即 0.6 V / 的剪力计算值;弯起钢筋(按45°弯起)承担不超过40%,即 0.4 V / 的剪力计算值。
A.
正确
B.
错误
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【单选题】Which of the following statements about the numbers by which sound is represented in a digital system can be inferred from the passage?
A.
They describe the time interval between successive sounds in a passage of music.
B.
They model large changes in the amplitude of the initial sound with relatively poor precision.
C.
They are slightly altered each time they are read by the playback apparaturs.
D.
They are not readily altered by distortion and noise accumulated as the digital signal is stored and manipulated.
E.
They are stored in the recording medium in small groups that can be read simultaneously by the playback apparatus.
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【单选题】下边关于交换机的转发速率计算正确的是【 】
A.
转发速率=万兆端口数量x14.88+千兆端口数量x1.488+百兆端口数量x0.1488
B.
转发速率=端口数量x端口速率x2
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【判断题】SARS冠状病毒的复制可以在细胞质中完成。()
A.
正确
B.
错误
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【简答题】The sound / m / can be described as “voiced, __________, nasal”.
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【简答题】Why is it advisable to voice what you want in a workplace? Passage Passage Passage You rarely see another soul in the ladies room. On too many occasions, you've been mistaken for someone's assistant. ...
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【单选题】某公司2008年末流动资产合计2000万元,其中存货500万元,应收账款400万元,流动负债合计1600万元,则该公司2008年速动比率为
A.
0.94
B.
0.79
C.
1.45
D.
1.86
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【单选题】某公司2008年末流动资产合计2000万元，其中存货500万元，应收账款400万元，流动负债合计1600万元，则该公司2008年速动比率约为（ ）。
A.
0.79
B.
0.94
C.
1.45
D.
1.86
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相关题目：
【单选题】Bats navigate and search out prey by emitting, and then detecting reflection of, ultrasonic waves, which are sound waves with frequencies greater than can be heard by a human. Suppose a bat emits ultr...
A.
f md = 82.8kHz, f bd = 83.0Hz
B.
f md = 82.8Hz, f bd = 83.0kHz
C.
f md = 82.8kHz, f bd = 83.0kHz
D.
f md = 82.8Hz, f bd = 83.0Hz
查看完整题目与答案
【简答题】The sound /m/ can be described with “ n_______, bilabial, voiced ”
查看完整题目与答案
【判断题】《公路桥规》规定:最大剪力计算值取用距支座中心 h /2 ( 梁高一半)处截面的数值(记做 V / ) ,其中混凝土和箍筋共同承担不少于60%,即 0.6 V / 的剪力计算值;弯起钢筋(按45°弯起)承担不超过40%,即 0.4 V / 的剪力计算值。
A.
正确
B.
错误
查看完整题目与答案
【单选题】Which of the following statements about the numbers by which sound is represented in a digital system can be inferred from the passage?
A.
They describe the time interval between successive sounds in a passage of music.
B.
They model large changes in the amplitude of the initial sound with relatively poor precision.
C.
They are slightly altered each time they are read by the playback apparaturs.
D.
They are not readily altered by distortion and noise accumulated as the digital signal is stored and manipulated.
E.
They are stored in the recording medium in small groups that can be read simultaneously by the playback apparatus.
查看完整题目与答案
【单选题】下边关于交换机的转发速率计算正确的是【 】
A.
转发速率=万兆端口数量x14.88+千兆端口数量x1.488+百兆端口数量x0.1488
B.
转发速率=端口数量x端口速率x2
查看完整题目与答案
【判断题】SARS冠状病毒的复制可以在细胞质中完成。()
A.
正确
B.
错误
查看完整题目与答案
【简答题】The sound / m / can be described as “voiced, __________, nasal”.
查看完整题目与答案
【简答题】Why is it advisable to voice what you want in a workplace? Passage Passage Passage You rarely see another soul in the ladies room. On too many occasions, you've been mistaken for someone's assistant. ...
查看完整题目与答案
【单选题】某公司2008年末流动资产合计2000万元,其中存货500万元,应收账款400万元,流动负债合计1600万元,则该公司2008年速动比率为
A.
0.94
B.
0.79
C.
1.45
D.
1.86
查看完整题目与答案
【单选题】某公司2008年末流动资产合计2000万元，其中存货500万元，应收账款400万元，流动负债合计1600万元，则该公司2008年速动比率约为（ ）。
A.
0.79
B.
0.94
C.
1.45
D.
1.86
查看完整题目与答案