I cakes and hot dogs.[ ]
A. like
B. likes
C. like at
答案：A
Listen! All the dogs are barking now. They are making ______. [ ]
A. much noise
B. much noises
C. little noise
D. little noises
闸瓦作用于车轮踏面上的压力称为（）。
A、制动压力
B、绝对压力
C相对压力
