I'm going to ___________ TV on Saturday evening. [ ]
A. watching
B. watches
C. watch
答案:C
从鱼塘打捞草鱼240尾,从中任选9尾,称得每尾的质量分别是1.5,1.6,1.4,1.6,1.2,1.7,1.8,1.3,1.4(单位:kg),依此估计这240尾草鱼的总质量大约是______kg.
开放性损伤病人常规应注射破伤风抗毒素的剂量为()
A.3001U
B.5001U
C.8001U
D.10001U
E.15001U