1．(2012•湖北襄樊四中期中考试)A well¬written composition ________ a good choice of words and clear organization among other things.
A．calls on B．calls for
C．calls up D．calls off
[解析]call for 需要。call on 号召，拜访某人；call up 使回忆起；call off 取消。
[答案]B
2．People who can't ________ between colours are said to be colour¬blind.
A．separate B．disguise
C．distinguish D．divide
[解析]distinguish 区分，辨别；separate 分离，分开；disguise 伪装，遮掩；divide 划分，分隔。句意：不能辨别颜色的人被称为色盲。
[答案]C
