64 查看材料
A. become concerned about
B. become concerned with
C. become concerned in
D. concern
60 查看材料
A. up to
B. as much
C. as many as
D. equal
在诊断早期骨转移时()
A. x线比核素骨显像早3—6个月
B. 核素骨显像比X线、CT早3—6个月
C. 核素骨显像与X线、CT都能早期诊断
D. CT、MRI比核素骨显像早3~6个月
59 查看材料
A. For the
B. This
C. As a
D. A