沥青路面的()采用路面状况指数(PCI)进行评价。
A、强度
B、破损
C、平整度
D、抗滑系数
参考答案:B
— Is there anything you want to know?
— I just wonder ____ that makes Jim so excited.
A.what it is
B.what he does
C.how it is
D.why it does
驾驶机动车在前方路口掉头前先进入左转直行车道。