治疗牙痛属胃热阴虚者首选（）
A.玉女煎
B.左金丸
C.大承气汤
D.葛根黄芩黄连汤
E.清胃散
参考答案：A
People who can't ________ between colours are said to be colourblind.[ ]
A. separate
B. disguise
C. distinguish
D. divide
弑杀鲁桓公的是齐国的谁，受谁指使？
