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搜题
【单选题】
使用蛙式打夯机进行灰土垫层施工时,,灰土最大虚铺厚度宜为( )
A.
400mm-450mm
B.
300mm-350mm
C.
200mm-250mm
D.
100mm-150mm
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【单选题】Scientists were embroiled (使卷入) last week in an international row over genetically modified cotton (GM cotton). A study in China suggested for the first time that the crop was permanently damaging the...
A.
Because the cotton was genetically modified.
B.
Because the cotton was found to damage the environment.
C.
Because the cotton harms the bollworm.
D.
Because Monsanto dismissed the research.
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【简答题】A．He is head of a small trading company. B．He works in an international insurance company. C．He leads a team of brokers in a big company. D．He is a public relations officer in a small company.
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【单选题】为使目标能在有噪声的背景中100%地被识别,应当使目标的亮度高于( )识别阈的亮度5dB以上。
A.
5%
B.
95%
C.
50%
D.
90%
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【单选题】第一心音的产生主要是由于:
A.
半月瓣开放
B.
房室瓣开放
C.
半月瓣关闭
D.
房室瓣关闭
E.
心室射血入大动脉，引起动脉管壁震动
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【简答题】A．He is head of a small trading company. B．He works in an international insurance company. C．He leads a team of brokers in a big company. D．He is a public relations officer in a small company.
查看完整题目与答案
【单选题】下列关于消防应急广播的叙述错误的是()
A.
在环境噪声大于60dB的场所设置的扬声器，在其播放范围内,最远点的播放声压级应高于背景噪声15dB
B.
走道末端距最近的扬声器距离≤12.5m
C.
当确认火灾后,应逐步向全楼进行广播
D.
消防应急广播与普通广播或背景音乐广播合用时,应强制切入消防应急广播
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【多选题】下列消费品不征收消费税的是( )。
A.
生产厂家销售自产金、银首饰给具有资质的经营单位
B.
卷烟零售店销售的雪茄烟
C.
个人销售自己购买使用的金项链
D.
捐赠自产的小汽车
E.
个人收到境外邮寄进境的金银首饰
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【单选题】为使目标能在有噪声的背景中100%的被识别，应当使目标的亮度高于多少识别阈的亮度5dB以上（）。
A.
5%
B.
95%
C.
50%
D.
90%
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【简答题】You see the following notice in an international magazine. Be someone famous for a day If you could change places for 24 hours with a famous person alive today, who would you choose, and why? The best...
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【单选题】A person who has__ final say in an international company is usually influential one.
A.
a； the
B.
the； an
C.
the the
D.
a an
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相关题目：
【单选题】Scientists were embroiled (使卷入) last week in an international row over genetically modified cotton (GM cotton). A study in China suggested for the first time that the crop was permanently damaging the...
A.
Because the cotton was genetically modified.
B.
Because the cotton was found to damage the environment.
C.
Because the cotton harms the bollworm.
D.
Because Monsanto dismissed the research.
查看完整题目与答案
【简答题】A．He is head of a small trading company. B．He works in an international insurance company. C．He leads a team of brokers in a big company. D．He is a public relations officer in a small company.
查看完整题目与答案
【单选题】为使目标能在有噪声的背景中100%地被识别,应当使目标的亮度高于( )识别阈的亮度5dB以上。
A.
5%
B.
95%
C.
50%
D.
90%
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【单选题】第一心音的产生主要是由于:
A.
半月瓣开放
B.
房室瓣开放
C.
半月瓣关闭
D.
房室瓣关闭
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心室射血入大动脉，引起动脉管壁震动
查看完整题目与答案
【简答题】A．He is head of a small trading company. B．He works in an international insurance company. C．He leads a team of brokers in a big company. D．He is a public relations officer in a small company.
查看完整题目与答案
【单选题】下列关于消防应急广播的叙述错误的是()
A.
在环境噪声大于60dB的场所设置的扬声器，在其播放范围内,最远点的播放声压级应高于背景噪声15dB
B.
走道末端距最近的扬声器距离≤12.5m
C.
当确认火灾后,应逐步向全楼进行广播
D.
消防应急广播与普通广播或背景音乐广播合用时,应强制切入消防应急广播
查看完整题目与答案
【多选题】下列消费品不征收消费税的是( )。
A.
生产厂家销售自产金、银首饰给具有资质的经营单位
B.
卷烟零售店销售的雪茄烟
C.
个人销售自己购买使用的金项链
D.
捐赠自产的小汽车
E.
个人收到境外邮寄进境的金银首饰
查看完整题目与答案
【单选题】为使目标能在有噪声的背景中100%的被识别，应当使目标的亮度高于多少识别阈的亮度5dB以上（）。
A.
5%
B.
95%
C.
50%
D.
90%
查看完整题目与答案
【简答题】You see the following notice in an international magazine. Be someone famous for a day If you could change places for 24 hours with a famous person alive today, who would you choose, and why? The best...
查看完整题目与答案
【单选题】A person who has__ final say in an international company is usually influential one.
A.
a； the
B.
the； an
C.
the the
D.
a an
查看完整题目与答案