与躯体和下肢相应的耳穴分布在（）
A.耳垂
B.耳舟
C.耳轮脚周围
D.耳甲
E.对耳轮体部和对耳轮的上、下脚
参考答案：E
It was raining hard, _______ we went on with our work in the field. [ ]
A. though
B. but
C. although
D. so
什么样的课是一堂好课？
