客运列车耽误本列（）以上，为一般A类事故。
A、1h
B、2h
C、3h
D、4h
参考答案：D
Liu Ying is good at singing. She sings ________ the famous singer.
A．as well as
B．as good as
C．as better as
D．as the best as
其他载货的机动车载物，高度从地面起不得超过（）米。
A.1.5
B.2.5
C.3.5
D.4.5
