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【单选题】
在单自由度体系受迫振动的动位移幅值=βyst，yst是（）。
A.
质量的重力所引起的静位移
B.
动荷载的幅值所引起的静位移
C.
动荷载引起的动位移
D.
重力和动荷载幅值所引起的静位移
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【单选题】下列指标属于衡量传感器动态特性的评价指标的是 。
A.
线性度
B.
零点漂移
C.
时域响应
D.
灵敏度
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【简答题】从方框中选择恰当的词或词组，并用其适当形式填空. shampoo, drugstore, furniture store, hang out, advantage, disadvaritage, exchange 1. Where can I buy______?I want to wash my hair. 2. Could you tell me where the______is? I am...
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【判断题】为了有明显区别，并列安装的同型号开关应不同高度，错落有致。
A.
正确
B.
错误
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【判断题】为了有明显区别,并列安装的同型号开关应不同高度,落有致。
A.
正确
B.
错误
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【简答题】Abode n.住处 同:residence The woodcutter’s abode was a house in the forest. 2. Humiliate v.使丢脸 同:disgrace The boys humiliated their parents by behaving badly in front of the guest. 3. Obstruct v.阻隔;遮断 同:...
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【简答题】为了有明显区别，并列安装的同型号开关应不同高度，答案：B落有致。
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【单选题】在SQL Server 2008中，常常会发生数据库数据过大的情况，此时则需要对表进行处理，通常可采用人工分割表的方法优化性能。下列有关分割表的说法，错误的是（ ）。
A.
水平分割后，得到的子表结构相同
B.
水平分割后，查询表中所有数据时需要使用JOIN操作
C.
垂直分割后，所有表中均需保留原有表的主码
D.
当查询表中所有数据时，使用分割表方法会增加查询表达式的复杂度
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【判断题】为了有明显区别,并列安装的同型号开关应不同高度,错落有致。
A.
正确
B.
错误
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【单选题】Cloze Complete the passage with the following appropriate words or expressions.
A.
dramatic
B.
acquiring
C.
recall
D.
neighborhoods
E.
boosting
F.
laid low
G.
passed through
H.
stepped up I hang around J. move out Can you 1 a time when the area where you live was very different from what it is today? Given the 2 changes that China has 3 in recent years, that would not be surprising. Whole 4 have been transformed. New construction has meant that the housing stock has improved in size and quality. As a result of redevelopment many people have been able to 5 of old housing into new accommodation that offers better amenities, 6 their standard of living. This is naturally to be welcomed, but the change has not been without some costs. As whole areas of traditional low-rise housing have been 7 to make way for high-rise apartments, opportunities for neighbors to casually 8 with each other have frequently declined.
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【简答题】推断,v.
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【单选题】下列指标属于衡量传感器动态特性的评价指标的是 。
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【单选题】在SQL Server 2008中，常常会发生数据库数据过大的情况，此时则需要对表进行处理，通常可采用人工分割表的方法优化性能。下列有关分割表的说法，错误的是（ ）。
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水平分割后，得到的子表结构相同
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垂直分割后，所有表中均需保留原有表的主码
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查看完整题目与答案
【判断题】为了有明显区别,并列安装的同型号开关应不同高度,错落有致。
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查看完整题目与答案
【单选题】Cloze Complete the passage with the following appropriate words or expressions.
A.
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C.
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F.
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passed through
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stepped up I hang around J. move out Can you 1 a time when the area where you live was very different from what it is today? Given the 2 changes that China has 3 in recent years, that would not be surprising. Whole 4 have been transformed. New construction has meant that the housing stock has improved in size and quality. As a result of redevelopment many people have been able to 5 of old housing into new accommodation that offers better amenities, 6 their standard of living. This is naturally to be welcomed, but the change has not been without some costs. As whole areas of traditional low-rise housing have been 7 to make way for high-rise apartments, opportunities for neighbors to casually 8 with each other have frequently declined.
查看完整题目与答案
【简答题】推断,v.
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