通常我们把矢量图形称为图形，下列（）是图形文件格式。
A、CDR
B、WMF
C、AI
D、GIF
参考答案：A, B, C
After that, he knew he could any emergency by doing what he could to_____ the best of hisability. [ ]
A. get away with
B. get on with
C. get through
D. get across
成人外周血检查结果，属病理现象的是()
A．嗜多色性红细胞占1%
B．裂红细胞＞2%
C．嗜碱性点彩红细胞占0.01%
D．椭圆形红细胞占1%
E．球形红细胞＜4%
