A:味蕾
B:嗅粘膜
C:舌根
D:舌尖
“以和为贵”、“和平交往”是中华民族的优良传统。在古代对外开放中体现这一优良传统的是( )
①丝绸之路 ②鉴真东渡
③郑和下西洋 ④戚继光抗倭
方程log23x-5=2的解是____
I think he should tell the news to his father. (改为否定句)
I ____ tell the news to his father .