在牵引变电所低压设备的作业分为()和()
参考答案:停电作业;带电作业
_________ time and labor, cartoonists generally d
raw the hands of their characters with only 3 fingers and a thumb.
A.To save
B.Saved
C.Saving
D.Having saved
慢性腹泻,脂肪泻,常伴有贫血。常见于()
A.肠类癌
B.溃疡性结肠炎
C.盲袢综合征
D.假膜性肠炎
E.急性出血性肠炎