《素问·痹论》认为痹证剧烈疼痛的原因是何种邪气偏胜所致()
A.风
B.湿
C.寒
D.炅
E.热
参考答案:C
在“小白兔与狼外婆”的故事中,小白兔能分辨出门外不是自己的外婆,主要是依据声音的( )
A.音色
B.响度
C.音调
D.频率
根据句子意思,填入合适的介词。
小题1:You should listen __________ the teacher in class.
小题2:Are you ready __________ the class?
小题3:There are two beautiful pictures __________ the wall.
小题4:Happy Birthday! This is the present _________ you.
小题5:We are having a sports meeting __________ the playground now.