问题
选择题
Mary and Jane are both very quite, but ______them, their younger brother Tom is quite naughty.
A．like
B．alike
C．unlike
D．with
答案
：C
：词义辨析。A像…一样；B形容词相似的；C不像…；D和，跟随，与…一致。句意：玛丽和Jane都非常安静，但是和她们不一样，她们年轻的兄弟Tom相当调皮。故C正确。