"风为百病之长"是指（）
A.风善行而数变
B.六气皆可化风
C.六淫多附于风邪侵犯人体
D.风邪致病发病较急
E.风邪致病发病较快
参考答案：C
Some students think math is ____ physics. [ ]
A. more difficult
B. much difficult
C. more difficult than
按照《道路交通安全法》规定，非机动车在道路上行驶应遵守什么规定？
