Of course，（）most immigrants did not get rich overnight ， but the of them were eventually able to improve upon their former standard of living.
A、maximumC
「句意」当然，大多数移民不是一夜之间就发财的，但是他们大多最终改善了自己的生活水平。
「难点」maximum意为“最大限量;最高点”;minority意为“少数，半数以下”;majority意为“大多数”;minimum意为“最低限度，最低点”。
Modern（）perhapscausesmoreproblemsthanitsolves.
Underthis（）pressuresomeoftherocksevenbecameliquid.
Underthis____pressuresomeoftherocksevenbecameliquid.
Modern____perhaps causes more problems than it solves.
It is imperative that students _____ their term papers on time.
