核素骨显像较X线检查提前多长时间发现有恶性肿瘤骨转移。()
A.0.5~1个月
B.2个月
C.3~6个月
D.7~9个月
E.9~12个月
参考答案:C
Follow your doctor's advice, _____ your cough will get worse.
[ ]
A. or
B. and
C. then
D. so
关于五迟证,下述错误的是()
A.立迟
B.行迟
C.囟迟
D.齿迟
E.语迟