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当手机关机，而MSC一直未收到（）不可及的消息，它就必须对手机不断地进行寻呼。

You are allowed to carry－on item and one personal item on most flights, and they are both

更多... 大学英语四级

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GPRS网络中CS－2编码方案中1个时隙的数据速率为（）kbit/s。

No one has any idea______, though dreaming is a normal and necessary part of a good sleepi

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当导线张开两臂的长度（）波长λ时，辐射很微弱，当两臂的长度增大到可与波长相比拟时，导线上的电流将大大增加，因而就能形成较强的辐射。

Nowadays, biologists tend to believe that humansA．occupy the top of the food chain.B．inhab

In the United States, the House of Representative is presided over by______.A．the presiden

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France today is no superpower, but French influence in some spheres significant. Nothing

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当把两导线张成（）角时，电场完全散布在周围空间，因而产生有效的辐射。

经度每隔l5度，时间相差（）

To increase the mean of 4 numbers by 2, by how much would the sum of the 4 numbers have to

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平坦地面传播的路径损耗为：Lp=107γlgd－20lghc－20lghm，移动台接收功γ=4率随距离的4次方变化，即距离增大一倍，接收到的功率减小（）。

29：What did Clara Barton set up during the U. S. Civil War？

9：Which of the following might be the result from the use of efficient technology in corpo

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关于工程项目质量控制系统，以下说法正确的是（）。

【C2】A．assistanceB．assuranceC．insuranceD．endurance

The piano player was certainly loud. But I wasnt bothered by his loudness ______his lack o

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开车信号已发出和罐笼、人车没有停稳时，严禁上下。

外语类考试

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