分化良好，又进行了全切的甲状腺癌骨转移灶用______显像比用_______显像的特异性和灵敏度高。
参考答案：I、 TcI、 Tc
He's got himself into a dangerous situation he is likely to be accused of meeting someone. [ ]
A. where
B. which
C. while
D. why
儿童识字行为发展的阶段依次有（）
A.流畅阶段
B.萌发阶段
C.初期阶段
D.创造阶段
