The road____ last year. [ ]
A. builds
B. built
C. was built
D. is built
答案：C
非ST段抬高心肌梗死的危险分层及处理原则?
不属于常用调剂工具的是（）
A.戥称
B.铜冲
C.药筛
D.包装箱
E.药匙
