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问题 单项选择题

关于股骨头缺血坏死MRI显示的双线征的描述，哪项正确（）

A.在质子密度加权像显示最好

B.在T2加权像显示最好

C.条状高信号代表反应性硬化

D.条状低信号代表充血的肉芽组织

E.在T1加权像显示最好

答案

参考答案：B

选择题

— Do remember to go to see the doctor.

—_____________.

A．Heard it

B．Made It

C．Got it

D．Taken it
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填空题
选择合适的词组，向大家介绍上周香山秋游的感受。做出准确生动的描述。
Enjoy oneself, have two days off, get off,
take some photos, a place of great interest
1. I like visiting _____ when I am free.
2. We _____ last week. So we went to the Fragrant Hills.
3. I couldn’t wait _____ the coach when we arrived.
4. I _____ of the maple leaves. I will show them to yu when they come out.
5. We really _____ that day. Maybe I’ll go there next autumn.
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