关于胆囊结石描述。错误的是 A．胆囊结石均有症状 B．进食油腻

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问题单项选择题

关于胆囊结石描述。错误的是

A．胆囊结石均有症状
B．进食油腻食物后症状加重
C．结石嵌顿于胆囊壶腹后，导致急性胆囊炎
D．胆绞痛向右肩部放射
E．大的单发结石不易发生嵌顿

答案

参考答案：A

填空题

根据句意及首字母提示，填写适当的单词。

1. —It's rainy today, take your u with you. —I will, Mom.

2. Go straight on and c the bridge, you'll find the post office.

3. —Oh, Dick, you're late again. —I am so sorry. But the t is really busy this morning.

4. He lives on the 25th floor and takes the e up and down every day.

5. —Did you tell your mother that you would be home late in the evening?

—Of course. I left a n on her dresser.

下列著作中体现“物竞天择，适者生存”观点的是

A．《狂人日记》

B．《海国图志》

C．《天演论》

D．《四洲志》