“四个教育”指（）。
A、艰苦奋斗教育
B、爱国奉献教育
C、革命人生观教育
D、尊干爱兵教育
参考答案：A, B, C, D
______ I believe , and you will find Tom is very outgoing.
A．Having a talk with the student
B．One talk with the student
C．Given a talk with the student
D．If you have a talk with the student
骨显像中常用99mTc-MDP的剂量是（）。
A.37～74MBq
B.74～185MBq
C.185～370MBq
D.555～1110MBq
E.大于1110MBq
