NG飞机人工放起落架,起落架手柄应处于()位
A.UP
B.OFF
C.DOWN
D.上述任一位置
参考答案:D
As a result of my laziness, I failed ______ my work in time. [ ]
A. and finished
B. to finish
C. and finishing
D. finishing
患者女性,68岁,头晕一年,有贫血史,Hb75g/L,RBC3.1×1012/L,HCT0.28,血涂片可见红细胞大小不均,中央淡染区扩大,其红细胞直方图曲线可显示为()
A.主峰左移,RDW正常
B.主峰左移,RDW增宽
C.主峰右移,RDW正常
D.主峰正常,RDW增宽
E.主峰正常,RDW正常