There’s coffe and tea,you can have .
A.either
B.each
C.one
D.it
答案:A
He ______ the club last year. [ ]
A. took part in
B. joined
C. join
D. joins
用Sm-EDTMP治疗骨肿瘤,如按体重计算,常用的剂量范围为按体重()
A.3.7~7.4MBq/kg
B.7.4~11.1MBq/kg
C.11.1~14.8MBq/kg
D.18.5~37MBq/kg
E.185~370MBq/kg