问题
单项选择题
关于急性主动脉夹层CT表现，正确的是（）
A、假腔的强化高峰早于真腔
B、真腔受压、狭窄、变性
C、增强CT不能显示内膜瓣
D、假腔造影剂排空时间早于真腔
E、真假腔强化高峰同时出现
答案
参考答案：B
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关于急性主动脉夹层CT表现，正确的是（）
A、假腔的强化高峰早于真腔
B、真腔受压、狭窄、变性
C、增强CT不能显示内膜瓣
D、假腔造影剂排空时间早于真腔
E、真假腔强化高峰同时出现
参考答案：B
| 根据对话内容从方框内所给的选项中选出最佳答案，使对话完整。注意：有多余选项。 | |
| Boy: Who do you admire (崇拜)? Girl: 1 Boy: Midori? Who's that? Girl: 2 Boy: Oh, yeah! She's Japanese, isn't she? Girl: Yes, she was born in Osaka in 1971. 3 When she was fourteen, she toured the United States. I saw her play when I was eight. Boy: Wow. 4 Girl: Yes, I do. I play them all the time. How about you? Who do you admire? Boy: I admire my grandmother, Laura. Girl: 5 Boy: Well, she was born in Russia in 1932. She was an unusual girl because she started ice skating when she was four, and she became a skating champion when she was ten. | |
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