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【单选题】
●人们说话所产生的语音信息必须经过数字化之后才能由计算机进行存储和处理。语音信号的带宽通常为300～3400Hz，经过数字化之后每秒钟产生的数据量(未压缩时)大约是 (50) 。 (50)
A.
8KB
B.
16KB
C.
64KB
D.
256KB
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参考答案：
举一反三
【简答题】根据句意、首字母提示,完成句中所缺的单词。 1.E_________ is ready,let's begin our class. 2.She said she was m_________ at Cathy. 3.Don't be n_________,I am sure you can pass the exam if you work hard. 4.You should r_______...
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【判断题】晨会的形式应该由班主任主讲。
A.
正确
B.
错误
查看完整题目与答案
【单选题】保险公司进行投资的主要资金来源是()
A.
责任准备金
B.
资本金
C.
承保盈余
D.
保险费
查看完整题目与答案
【单选题】一般不宜作X射线检查。
A.
儿童
B.
孕妇
C.
普通公众
D.
老年人
E.
放射工作者
查看完整题目与答案
【单选题】---- Was it by cutting down staff ____ are not diligent eough _    _ she saved the firm? ----- No, it was by improving work efficiency.
A.
that;when
B.
that;what
C.
who;how
D.
who ;tha
查看完整题目与答案
【简答题】It is known to us that , some students cheat( 作弊 ) in the examinations at school . Here is a cheating story of my funny friend. The exam would be started at 8:00 am . She got up early and went to the ...
查看完整题目与答案
【单选题】以下说法中错误的是
A.
照射野面积一般不应超过胶片面积的10%
B.
孕妇一般不宜作X线检查
C.
妇女妊娠早期，原则上不进行X线骨盆测量检查
D.
X线透环检查时，禁止育龄妇女在X线机房内排队等候检查
E.
X线标称能量超过10MeV的加速器，屏蔽设计不必考虑中子辐防护
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【简答题】Para 6. Every part of the chicken that could be eaten was used. Gizzards, liver and heart were either fried or cooked in soups. Chicken feet were considered a delicacy to our mom, no doubt a tradition...
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【简答题】A well-dressed man entered a famous jewelry shop. He explained that he wished to buy a pearl for his wife’s birthday. The price didn’t matter, since business had been very for him that year. After...
查看完整题目与答案
【简答题】The day before Father's Day, Mrs Berry asked her students to make a card for their fathers. She passed out paper and pieces of cloth . Elizabeth looked for a while at the blue cloth and began to cut i...
查看完整题目与答案
相关题目：
【简答题】根据句意、首字母提示,完成句中所缺的单词。 1.E_________ is ready,let's begin our class. 2.She said she was m_________ at Cathy. 3.Don't be n_________,I am sure you can pass the exam if you work hard. 4.You should r_______...
查看完整题目与答案
【判断题】晨会的形式应该由班主任主讲。
A.
正确
B.
错误
查看完整题目与答案
【单选题】保险公司进行投资的主要资金来源是()
A.
责任准备金
B.
资本金
C.
承保盈余
D.
保险费
查看完整题目与答案
【单选题】一般不宜作X射线检查。
A.
儿童
B.
孕妇
C.
普通公众
D.
老年人
E.
放射工作者
查看完整题目与答案
【单选题】---- Was it by cutting down staff ____ are not diligent eough _    _ she saved the firm? ----- No, it was by improving work efficiency.
A.
that;when
B.
that;what
C.
who;how
D.
who ;tha
查看完整题目与答案
【简答题】It is known to us that , some students cheat( 作弊 ) in the examinations at school . Here is a cheating story of my funny friend. The exam would be started at 8:00 am . She got up early and went to the ...
查看完整题目与答案
【单选题】以下说法中错误的是
A.
照射野面积一般不应超过胶片面积的10%
B.
孕妇一般不宜作X线检查
C.
妇女妊娠早期，原则上不进行X线骨盆测量检查
D.
X线透环检查时，禁止育龄妇女在X线机房内排队等候检查
E.
X线标称能量超过10MeV的加速器，屏蔽设计不必考虑中子辐防护
查看完整题目与答案
【简答题】Para 6. Every part of the chicken that could be eaten was used. Gizzards, liver and heart were either fried or cooked in soups. Chicken feet were considered a delicacy to our mom, no doubt a tradition...
查看完整题目与答案
【简答题】A well-dressed man entered a famous jewelry shop. He explained that he wished to buy a pearl for his wife’s birthday. The price didn’t matter, since business had been very for him that year. After...
查看完整题目与答案
【简答题】The day before Father's Day, Mrs Berry asked her students to make a card for their fathers. She passed out paper and pieces of cloth . Elizabeth looked for a while at the blue cloth and began to cut i...
查看完整题目与答案
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