问题
选择题
The large grassland, reaching out far away, looks extremely beautiful _______ the blue and clean sky.
A．with
B．against
C．through
D．beyond
答案
答案：B
考查介词用法。against prep.以……为背景，衬托着。句意为：大片的草地，延伸到远方，以蓝天白云为背景，看起来极为美丽。