枢椎齿状突高出Chamberlain线多少mm即可确诊为颅底陷入()
A.1
B.2
C.3
D.4
E.5
参考答案:C
以缺血性静息痛为主要症状时,提示血栓闭塞性脉管炎的分期是()。
A.Ⅳ期
B.Ⅱb期
C.Ⅱa期
D.Ⅰ期
E.Ⅲ期
开放作文。
请根据下面提示,写一篇短文。词数不少于50。
In your spoken English class, your teacher shows you the following picture. You are asked to describe the picture and explain how you understand it.
提示词:scale (n. & v.) 天平,测量
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