题目内容

关于使用增感屏摄影的叙述,错误的是

A. 影像颗粒性变差
B. 减少影像的噪声
C. 增加影像的对比度
D. 减少X线照射量
E. 降低影像的清晰度

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()不能用于半个指甲的粘贴,其与水晶粉融合连接后,能做出虚实逼真的假指甲。

A. 全贴甲片
B. 正方形甲片
C. 白色甲片
D. 甲片

George told me he could not come here because his mother is ill --____________

A. It’s good
B. That’s bad
C. He is impolite
D. What a pity!

()是一种通过电脑微波作用于人体的仪器。

A. 减肥仪
B. 高频电疗仪
C. 微波电脑美容仪
D. 健胸仪

The lateral distance between the original position where the vessel put the rudder one side and the farther lateral position where the vessel drifts away from the center of turning during the early stage of the turning defines ______.

A. Kick
B. Reach
C. Transfer
D. Advance

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