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【单选题】
早期鼻咽癌CT表现为
A.
无特征性
B.
咽隐窝变浅、消失
C.
咽隐窝加深、扩大
D.
腭帆张肌肿大
E.
咽旁间隙内移
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参考答案:
举一反三
【单选题】下列说法中,正确的是(  )
A.
频率分布直方图中各小长方形的面积不等于相应各组的频率
B.
一组数据的标准差是这组数据的方差的平方
C.
数据2,3,4,5的方差是数据4,6,8,10的方差的一半
D.
一组数据的方差越大,说明这组数据的波动越大
【简答题】A.He enjoys writing home every week. B.He never fails to write home once a week now. C.He doesn't write home once a week now. D.He has been asked to write home every week.
【单选题】He plays basketball every day. And now he is playing piano at home. [     ]
A.
the; the
B.
/; /
C.
the; /
D.
/; the
【单选题】He takes his ______ home to his wife every Friday.
A.
salaries
B.
wages
C.
incomes
D.
savings
【单选题】共模抑制比 K CMR是 之比。
A.
差模输入信号与共模输入信号
B.
输出量差模成分与共模成分
C.
交流放大倍数与直流放大倍数(绝对值)
D.
差模放大倍数与共模放大倍数(绝对值)
【判断题】刀尖在刀刃的最高位置时,刃倾角为正.____ 四名词解释:
A.
正确
B.
错误
【单选题】He lives far from his school. So every day He _______. [     ]
A.
takes a bus home
B.
takes a bus to home
C.
goes to home by bus
D.
by bus home
【单选题】共模抑制比 K CMR 是( )
A.
输入差模信号与共模信号之比的绝对值
B.
输入共模信号与差模信号之比的绝对值
C.
输出交流信号与输出直流信号之比的绝对值
D.
差模放大倍数与共模放大倍数之比的绝对值
【简答题】He said that he goes home to see his parents every______week. A.another B.the second C.two D.other
【单选题】共模抑制比 K CMR 是 ( )
A.
差模输入信号与共模输入信号之比
B.
输入量中差模成份与共模成份之比
C.
差模放大倍数与共模放大倍数 ( 绝对值 ) 之比
D.
交流放大倍数与直流放大倍数 ( 绝对值 ) 之比
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