There _____________ a library in our school. [ ]
A. is
B. are
C. be
答案:A
— Can I help you?
— I'd like a room with a bath. How much do you _____?[ ]
A. offer
B. afford
C. charge
D. spare
女性,61岁,由于急性广泛前壁心肌梗死发病12小时合并心力衰竭收入院进一步治疗,首选治疗心力衰竭的药物应是()
A.洋地黄
B.血管扩张剂
C.利尿剂
D.β受体阻滞剂
E.钙拮抗剂