强力冲版机冲版（）
A.容易败版
B.图纹较清晰
C.细小文字冲不掉
D.对半色调版冲版较佳
参考答案：A
骨髓增生程度判断是根据下列哪二者之比（）
A.有核细胞、成熟红细胞
B.粒系、红系
C.粒系、成熟红细胞
D.有核红细胞、有核细胞
E.成熟红细胞、有核红细胞
单词拼写。
1. Beg p_____, I didn't quite catch your meaning.
2. Disco music usually has strong b_____ to it.
3. She went upstairs to f_____ some newspapers.
4. Mr. Zhang _____ (举起) his hat and smiled at us.
5. How beautiful your bedroom _____ (天花板) is!
