临床应用的放射性核素可通过以下途径获得，除了（）。 A.加速器

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问题单项选择题

临床应用的放射性核素可通过以下途径获得，除了（）。

A.加速器生产

B.反应堆生产

C.从裂变产物中提取

D.放射性核素发生器淋洗获得

E.实验室制备

答案

参考答案：E

填空题

根据首字母提示及句意填入适当的单词。

1. I prefer music that has great l_____.

2. Be g_____ with my best china.

3. Eating burnt food can c_____ the risk of cancer.

4. There are many old things on d_____ in the museum.

5. To be h_____ I only eat food that tastes good.

6. The f_____ in the village are very kind to us.

7. We took many p_____ during our trip.

8. Lily m_____ the school bus because she was late.

9. What he said s_____ he knew the whole thing.

10. W_____ you do, I will stand on your side.

问答题简答题

岩石的饱水指标与岩石的抗冻性有何相关性？