异位肾的输尿管特点是()。
A.输尿管长度正常,输尿管扭曲
B.输尿管过短或过长
C.输尿管长度正常,改变体位时扭曲
D.输尿管短,在肾脏前面下行
E.输尿管细小,开口异位
参考答案:B
营养不良导致代谢异常应除外
A.血糖偏低
B.血清胆固醇降低
C.血清清蛋白降低
D.血钠、血钾偏低
E.白细胞降低
Throughout the week,the boy ________ most of the work in the manager’s office.
A.took on
B.took off
C.took in
D.took over