肝肿瘤阳性显像应用的亲肝肿瘤显像剂是()。
A.99mTc-MDP
B.99mTc-RBC
C.99mTc-DTPA
D.99mTc-PMT
E.以上均是
参考答案:D
Be quick! The TV play _____ for ten minutes. [ ]
A. has begun
B. has started
C. has been on
D. was started
压花玻璃又称花纹玻璃和滚花玻璃,具有透光不透明的特点,有优良的装饰效果。