牙髓坏死()
A.冷测出现一过性疼痛
B.冷热刺激均疼痛
C.冷热测无反应
D.热痛冷水缓解
E.热刺激出现迟缓疼痛下列疾病温度测的反应
参考答案:C
—Jack can'tconcentrate on his lessons recently.
— Yes, that might____why he did so badly in thelast test. [ ]
A. answer for
B. apply for
C. account for
D. call for
从诱发哮喘的原因来看,哮喘可分为哪几类?()
A.外源性哮喘
B.内源性哮喘
C.混合型哮喘
D.支气管哮喘