右侧侧方咀嚼形成的Ⅱ类杠杆，其支点位于（）
A.右侧颞下颌关节
B.左侧颞下颌关节
C.右侧牙列
D.左侧牙列
E.升颌肌力
参考答案：B
用合适的介词填空。
1. The teacher is talking _____ my mother.
2. We walked _____ Chang'an Park yesterday.
3. My mother went to Shanghai yesterday. Now she is arriving home ______ Shanghai.
4. I like dogs. So my father wants to buy dog ______ me.
5. I looked ______ many video shops. At last, I found the CD.
属于反治的是
A．寒者热之B．以寒治寒C．以寒治热D．以热治寒E．热者寒之
力
力