核素心肌代谢显像主要用于评价（）。
A.收缩功能异常
B.残余存活心肌
C.心肌缺血
D.心肌梗死
E.舒张功能异常
参考答案：B
跟据汉语提示，用适当的单词填空。
1. Our English teacher is very kind. She is ________ (友好) to us students.
2. My house is on a ________ (繁华的) street.
3. Look, the boys ________ (正在读书) under the tree over there.
4. The ________ (叶子) of the tree are yellow.
5. The library is between the restaurant and the ________. (超级市场)
爆炸机在放炮时用手触碰天线不仅会影响通讯距离还会造成（）。
A、影响井口信号发送
B、起爆延时
C、人体伤害
D、无验证TB
