寒热往来,多见于()。
A.风寒感冒
B.风热感冒
C.少阳感冒
D.时行感冒
E.气虚感冒
参考答案:C
What would have happened,_____ as far as the ri- verbank?
[ ]
A. Bob had walked
B. if Bob should walk
C. had Bob walked
D. if Bob walked
斜齿轮通常在()铣削加工。