问题
单项选择题 A1/A2型题
SPECT显像条件选择，最适宜的γ射线能量为（）
A.60～80keV
B.100～250keV
C.511keV
D.364keV
E.300～400keV
答案
参考答案：C
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SPECT显像条件选择，最适宜的γ射线能量为（）
A.60～80keV
B.100～250keV
C.511keV
D.364keV
E.300～400keV
参考答案：C
| 从B栏中找出与A栏问题相对应的答语，把序号填在括号里。 |
| A ( ) 1. What do you take for rabbits? ( ) 2. How many butterflies do you catch? ( ) 3. Is your father reading the newspaper? ( ) 4. What are you doing? ( ) 5. What is your mother doing? | B A. Yes, he is. B. I catch three. C. I'm sweeping the floor. D. She is writing an e-mail. E. Some carrots. |