问题
单项选择题
关节结构MRI的描述，不正确的是（）
A.X线上关节软骨不显影，MRI上为光滑线状低信号影
B.韧带MRI上为低信号影
C.膝关节半月板T1WI为低信号，T2WI为高信号
D.关节囊MRI上为线状低信号影
E.关节内滑液T1WI为低信号，T2WI为高信号
答案
参考答案：C
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关节结构MRI的描述，不正确的是（）
A.X线上关节软骨不显影，MRI上为光滑线状低信号影
B.韧带MRI上为低信号影
C.膝关节半月板T1WI为低信号，T2WI为高信号
D.关节囊MRI上为线状低信号影
E.关节内滑液T1WI为低信号，T2WI为高信号
参考答案：C
| 补全对话。 W: I got my driver's license last week. M: Oh. Congratulations! W: __1__ M: Well, you should follow some rules if you want to be a good driver in America. W: __2__ M: First of all, you should give way to cars that have the right of way. Second, don't cut in front of other cars. W: OK, and? M: __3__ And obey all road signs and police officers. W: OK, what else? M: __4__ And give way to pedestrians in crosswalks. W: And what else should I do? M: Well, you can park only in a parking space. __5__ when turning or changing lanes. And remember never drink and drive. W: OK, I remember.
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