APU何时给液力油箱增压()
A.仅在地面;
B.仅在空中;
C.A和B。
参考答案:C
She doesn't want to _____ so much money on the shoes. [ ]
A. take
B. cost
C. pay
D. spend
胆囊切除术的同时行胆总管探查术的指征是()
A.有急性化脓性胆管炎或慢性胆管炎伴管壁增厚
B.有胰腺炎病史
C.有急性胆囊炎病史
D.术中胆管穿刺抽出脓性胆汁
E.有梗阻性黄疸史