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【单选题】
营养不良最常见的维生素缺乏的种类是A.
维生素B
B.
维生素C
C.
维生素D
D.
维生素K
E.
维生素A
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【单选题】干燥失重测定法中,取供试品,在规定条件下干燥至恒重,所谓恒重是指()。
A.
连续两次干燥后的质量差异在0.3 mg以下
B.
第二次干燥后的质量比前-次的少 0.4 mg以下
C.
连续两次干燥后的质量差异在0.5 mg以下
D.
干燥前后的质量差异在0.3 mg以下
【简答题】She’s a lovely girl. She has long and black hair. She is quite tall and slim. Her eyes are bright and black. She is 13 years old. She is good at singing. She likes listening to music. She is S.H.E.’s ...
【简答题】Mr. White was holding a party at home to celebrate his sixtieth birthday. To make him happy, one of his women friends __ 21 __ to sing a song for him. Now she was singing. One guest turned to a __ 22 ...
【单选题】关于骨盆的描述,错误的是
A.
骨盆由骶骨、尾骨和两侧髋骨构成
B.
界线以下为小骨盆，也称真骨盆
C.
女性骨盆上口呈心形，男性骨盆上口呈圆形
D.
界线是由骶骨岬、两侧弓状线、耻骨梳、耻骨结节和耻骨联合上缘构成。
E.
女性骨盆因妊娠和分娩，形态与男性有所不同。
【简答题】Mr. White was holding a party at home to celebrate his sixtieth birthday. To make him happy, one of his women friends __ 1 __ to sing a song for him. Now she was singing. One guest turned to a __ 2 __...
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