Are you good at ?
A.swim
B.swimming
C.to swim
D.swam
答案:B
考查短语 be good at doing 擅长做某事,所以选B 。
_______ of the twin sisters works as a waitress in that restaurant.[ ]
A. Both
B. All
C. Neither
D. None
12岁男孩,跌跤后当晚自觉全身不适,发热,左膝部疼痛,经青霉素治疗3日无效来院。检查左股骨下端肿胀,有局限性压痛,膝关节内少量积液,活动障碍,体温39.5℃,白细胞计数18×109/L,中性90%,血沉80mm/h。进一步治疗中,下列哪项是最关键的()
A.联合应用大剂量的抗生素
B.患肢制动
C.全身支持治疗,注意水、电解质平衡
D.局部减压引流
E.避免外伤骨折