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问题 单项选择题

请指出下列哪项不属于体内近距离照射（）

A、放射性核素源强较小

B、放射距离较短

C、放射能量损失较小

D、大部分能量被组织吸收

E、射线必须经过皮肤

答案

参考答案：E

补全对话，情景问答

情景交际

A: Hi, Jack! Did you have   1   yesterday?

B: No, I had a bad day.

A:   2  ?

B: I lost my MP3 0n my way to school. And when I got to school, the class had begun.

A: Have you found it?

B: No,   3  yet.

A: Bad luck!

B: The worst of all, when I   4  , I realized that I had left my keys at school and my parents had gone to    Beijing.

A:    5_ unlucky! Don't think about it. Let's play football together.
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多项选择题

瘀积发黄型黄疸的特点有（）

A.黄疸颜色较深，晦暗无华

B.右胁下痞块

C.舌淡，苔白腻

D.大便灰白，纳呆易吐

E.黄疸持续不退且加重
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