Excuse me. Can you ____ me the way to the post office? [ ]
A. tell
B. say
C. speak
D. talk
A
前列腺活检的PSA基础参考值是()
A.>2ng/m]
B.>3ng/ml
C.>4ng/ml
D.>5ng/ml
E.>10ng/ml
小肠耐受剂量为()。
A.40~45Gy
B.20~30Gy
C.35~40Gy
D.30~35Gy
E.45~50Gy