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【单选题】
聚中性越明显，精度越（ ），观测条件越（ ）。A.
高；好
B.
高；不好
C.
低；好
D.
低；不好
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举一反三
【单选题】He is a Chinese. He lives in London, but he wants to learn about his ______in China.
A.
legal help
B.
enquiry
C.
roots
【简答题】He has lived in London until 2010.
【单选题】It was ( ) 2 years after he arrived in London that he found a job in an international bank.
A.
still
B.
until
C.
not until
D.
also
【简答题】阅读理解。 There was once a captain who loved money so much that he cheated his sailors at the end of every voyage and took their wages. On the last day of one voyage, the ship was in a small port. It was ...
【单选题】( )制导,是利用导弹上设备接收来自目标辐射或反射的能量,靠弹上探测设备测量目标与导弹相对运动的技术参数,并将这些技术参数变换成引导指令信号,使导弹飞向目标。
A.
遥控
B.
自主
C.
惯性
D.
寻的
【简答题】中云有限责任公司只生产一种产品,上一年度实现目标净利润为4500000元,上一年度全年固定成本为2500000元。产品单价为500元,单位变动成本为200元,公司适用25%的所得税率。本年度由于市场竞争加剧,公司将单位产品售价从500元调整为400元,公司希望能够实现目标净利润4500000元。产品单位变动成本、公司固定成本和所得税率维持不变。 【要求】计算本年度实现公司目标净利润的保净利量和保净...
【单选题】When he was in London, he tried to avoid _____ his friends in the street.
A.
meets
B.
met
C.
meeting
D.
to meet
【简答题】A．He came to our company last year. B．I think he is a nice person. C．He was in London 5 years ago. D．I have met him somewhere before.
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