Question

The new railway winds its way to Hongkong, _____ mountains _____ tunnels and _____ rivers.

A．across; over; through	B．over; across; through
C．over; through; across	D．through; over; across

Answer 1

C

考查介词。over 上面；though 从事物内部通过；across 从事物表面穿过。第二个空穿过隧道，肯定是从内部过去的，选through，只有C第二个空是through。另外两个空，从山上过去。横穿河面，选C。