γ相机中光电倍增管的数量增加导致何种性能的改善()
A.能量分辨率
B.空间分辨率
C.空间线性
D.灵敏度
E.以上都不是
参考答案:B
句型转换。
1. He was reading a book on the playground. (就画线部分提问)
______ was he______ on the playground?
2. It is my first time to be in a plane,so I don't know what I should do. (改为同义句)
It is my first time to travel ______ plane, so I don't know what
3. Lucy can speak little English, ______,______? (完成反意疑问句)
4. You can't arrive late for class. (改为祈使句)
______ ______ late for class.
5. He has lived here since he came here. (就画线部分提问)
______ ______ has he lived here?
谈判中体态语言具有哪些特点?