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【单选题】
乳腺摄影的注意事项错误的是A.
采用近距离摄影
B.
X线照片上应有上、下标记
C.
曝光时，乳腺皮肤应平坦，乳头呈切线位
D.
因乳腺为软组织，故不需加压摄影
E.
应屏气曝光
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举一反三
【单选题】Wendy___________ the book for over two weeks. She has to ___________ it to the library. A.has borrowed, give B. borrowed, take C. has kept, return D. kept, return
A.
has borrowed, give
B.
borrowed, take
C.
has kept, return
D.
kept, return
【单选题】She _______ this book for nearly three weeks.
A.
has borrowed
B.
has lent
C.
has bought
D.
has kept
【单选题】The story book _________ for two weeks .
A.
has been borrowed
B.
has borrowed
C.
has been kept
D.
has kept
【简答题】请指出在心肌细胞的下列状态下,心电图机是否能记录到电流:(填写有或无) (1)极化状态 (2)除极过程 (3)反极化状态 (4)复极过程
【简答题】对幼儿来说,进餐、盥洗、喝水、如厕、午睡等都是重要的学习活动,都属于幼儿园的课程内容,这体现了幼儿园课程( )A. 生活化 B.游戏化 C.启蒙性 D.科学性
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