问题
选择题
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
答案
答案：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。
