用所给单词的适当形式完成句子。（每空1分，共10分）

小题1: Poverty, disease and _________remain major world problems. It is not a question that can ________.(ignore)

小题2: In the crash he was seriously __________.He suffered severe __________ to the head and arms. （injure)

小题3: A child receives its early ______ at home. A well _____ mother will have a great influence on her child’s future. (educate)

小题4: As a good _____________, you must be highly ____________ in order to win a ___________.(compete)

小题5: The employer decided to employ Tom as her secretary and she hoped to have a talk with her _______ before he came to work. (employ)

关于影响计算机X线摄影影像质量的因素说法错误的是（）

A.读出装置激光点直径越小，图像质量越好

B.影像板以及光电倍增管都会产生噪声，影响图像质量

C.数字转换会产生相应的量化噪声和伪影

D.散射线，会使计算机摄影图像的清晰度提高

E.信号的数字化，会使图像的空间分辨率下降