Some people say that the world is becoming smaller than before __________ the Internet.

A．on

B．next to

C．because

D．because of

确定路缘石或交通岛的转弯车道半径时，一般应以以下哪种车辆的转弯半径作为控制？（）

A.小客车

B.载重车

C.鞍式列车

D.大汽车