按突起路标的逆反射性能，分为A、B两类，具备逆反射特性的突起路标为A类突起路标，不具备逆反射特性的突起路标为B类突起路标。
参考答案：对
Ⅰ Ⅱ
小题1:What color is your cat ? A.She is tall and she is in a red cap .
小题2:Are these erasers yours ? B.It`s Mike`s .
小题3:What does Maria look like ? C.It`s white .
小题4:Whose boxes are they ? D.No, they are theirs .
小题5:Whose jacket is that ? E.They`re Jim`s .
在工作压力下，打开四通阀检漏口的阀门，将存水放出，然后让标准体积管升压和降压，观察从检漏口流出的水量.
A.计量
B.读出
C.收集
D.集中
