—Can you ________ English?
—Only a little. [ ]
A. say
B. tell
C. talk
D. speak
答案:D
下列哪项不是提脓祛腐药的适应证()
A.脓栓未溶
B.腐肉未脱
C.脓水不净
D.新肉未生
E.脓水将尽
从伦理学的角度看,教师要公正地对待学生,首先是要真正()。