液压制动汽车,制动时一脚不灵,多踩几脚后才能制动的原因是()液压。
A.制动间隙大
B.制动间隙小
C.制动管路中有气,多踩将气体压缩后,制动才有力
D.制动间隙合适
参考答案:C
中风危险因素包括
A.肥胖
B.高血压
C.饮酒
D.糖尿病
E.心脏病
— Betty, did your son get married in the year 2000?
— Yes, he _____ for about eight years. [ ]
A. has married
B. has been married
C. has got married
D. was married