重庆市主城区设置了部分禁鸣路段,驾驶员在禁鸣路段应该怎么做?()
A.控制车速不鸣笛
B.摁着喇叭呼啸而过
C.不鸣笛但是音响开到最大,让行人避让
参考答案:A
Students in English-speaking countries usually address their man teacher ‘sir”, but __________ their woman teacher “madam”.
A.seldom they address
B.do they seldom address
C.seldom do they address
D.they seldom do address
高压钢管的弯曲半径宜大于管子外径的5倍,其他金属管的弯曲半径宜大于管子外径的3.5倍,塑料管的弯曲半径宜大于管子外径的3倍。