胃阴虚证患者的舌象可出现（）
A.舌质红
B.胖嫩舌
C.瘦薄舌
D.少苔
E.少津
参考答案：A, C, D, E
Read and choose. (读句子，选择相应的图片)
1. Look at the rainbow in the sky (天空). [ ]
2. 一Do you like squirrels?
一Yes, I do. [ ]
3. We go to our school by taxi.[ ]
4. 一 Susan, can I have strawberries?
— Sorry?We don't have strawberries. [ ]
直角三角形的外接圆半径为5cm，内切圆半径为1cm，则此三角形的周长是______．
